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| Subject | Date Asked |
| Water in A/C Ducts | 2/8/2012 |
| Q: I have a central A/C system with a York Air Handler Model F2RP042(it is about 6 years old) with ... A: Jeff, OK, Then what happened is that your indoor A/C coil froze up and when it thawed it thawed on ... | |
| HVAC Choice | 2/4/2012 |
| Q: I am looking at replacing of furnace and air conditioner. I am looking at Goodwin vs, Lennox. Any ... A: Bob, The most important factor with any equipment that heats or cools is the installation. From ... | |
| Water in A/C Ducts | 2/2/2012 |
| Q: I have a central A/C system with a York Air Handler Model F2RP042(it is about 6 years old) with ... A: Jeff, So, the (supply) ducts in the attic are the ones with the water in them? Where is the Air ... | |
| RUDD AC-HEAT PUMP CONTACTOR | 2/1/2012 |
| Q: JOHN, New part (honeywell Contactor) installed and works great..the other was pitted and totally ... A: Gail, Thank you. Yes when I joined this site I had no idea I would be helping almost a thousand ... | |
| rudd ac-HEAT PUMP contactor install | 1/31/2012 |
| Q: WE HAVE AN OLDER rudd A/C HEAT PUMP COMBO. wE WANT TO CHANGE THE OLD CONTACTOR BECAUSE ITS PITTED ... A: Gail, Have the thermostat off and then turn on all breakers in any order. Then turn on the ... | |
| rudd ac-HEAT PUMP contactor install | 1/31/2012 |
| Q: WE HAVE AN OLDER rudd A/C HEAT PUMP COMBO. wE WANT TO CHANGE THE OLD CONTACTOR BECAUSE ITS PITTED ... A: Gail, You will need to use the wire connectors that are on the inlet side of the contactor as they ... | |
| rudd ac-HEAT PUMP contactor install | 1/31/2012 |
| Q: WE HAVE AN OLDER rudd A/C HEAT PUMP COMBO. wE WANT TO CHANGE THE OLD CONTACTOR BECAUSE ITS PITTED ... A: Gail, I want to caution you on doing this job as there is 240 volts at the outdoor unit and yes ... | |
| CAC | 1/30/2012 |
| Q: I have a odd but simple question for you. What is the lowest outside temp you can or should run a ... A: John, It does only move the air inside the home. But if the furnace is in a cold garage or ... | |
| CAC | 1/30/2012 |
| Q: I have a odd but simple question for you. What is the lowest outside temp you can or should run a ... A: John, Actually a very good question that most want to know, but, no one asks. If it is a newer ... | |
| Ruud 90 Plus Model# UGRA-09EZAJS | 1/28/2012 |
| Q: I have a Ruud Plus 90 Furnace Model# UGRA-09EZAJS. I just noticed that it was not blowing warm air ... A: Nick, There is no pilot on that furnace, it has a Hot Surface Ignitor. The draft inducer motor ... | |
| Lennox Dimension won't come on | 1/26/2012 |
| Q: I have a Lennox Innovation Series Dimension furnace, model # G32Q3-75-2. I have a problem with my ... A: Paul, Not knowing the age of it or what the ledger says for that flashing code I can only guess. ... | |
| SANYO Concealed duct Heat pump | 1/20/2012 |
| Q: Is a Sanyo 36UHW72R suitable for mounting in an attic to heat and cool the upstairs level in a four ... A: Aidan, I am not sure what you mean by 4 square? I live in Portland Oregon and work for Colunbia ... | |
| Synder General Comfortmaker | 1/19/2012 |
| Q: I have a Synder General Comfortmaker furnace in my home. The ignitor is not working and I was quoted ... A: Allison, It is something you can do yourself. Breaker should be off and DO NOT TOUCH the carbide ... | |
| Heat pump keeps cycling on and off | 1/19/2012 |
| Q: I have a new R-410A split system heat pump (a few months old). It seemed fine during the summer ... A: Mike, At 53 degrees outside and 73 inside with R410a refrigerant (which is what you have) and the ... | |
| Intertherm Combined Unit- Little Heat- Won't Turn off | 1/18/2012 |
| Q: I have an intertherm combined unit heatpump and I have been out of town for a few months. When I ... A: AC, You should try the same thing with the filter removed (just for testing) and see what it does. ... | |
| Intertherm Combined Unit- Little Heat- Won't Turn off | 1/18/2012 |
| Q: I have an intertherm combined unit heatpump and I have been out of town for a few months. When I ... A: AC, Not knowing the type of t-stat, I would say if it did not come on switched to emergency heat ... | |
| Intertherm Combined Unit- Little Heat- Won't Turn off | 1/17/2012 |
| Q: I have an intertherm combined unit heatpump and I have been out of town for a few months. When I ... A: AC, It sounds to me like the outdoor unit is not coming on. If so, the thermostat does not know ... | |
| electric heater | 1/15/2012 |
| Q: When the blower motor goes off there is still heat coming from the vent. I have turned the heater ... A: Rich, It sounds like a sequencer is stuck in the closed position. That is the timed relay that ... | |
| Problem with my Weatherking/Ruud/Rheem | 1/14/2012 |
| Q: I am having a recurring problem with my furnace.I have (at least have in the past) had good results ... A: Joanne, The first thing you need to do is call the owner of that company and tell him what you ... | |
| PTC heater assembly | 1/11/2012 |
| Q: John, As we can see that many air conditioners are using PTC heater for auxilary heating.Why it is ... A: Daniel, The refrigerant in a heat pump actually boils at 20 plus degrees below zero, so there is ... | |
| Heat pump keeps cycling on and off | 1/9/2012 |
| Q: I have a new R-410A split system heat pump (a few months old). It seemed fine during the summer ... A: Mike, Those are much better numbers than what you had, but still not correct. Did you actually ... | |
| bryant furnace plus 80 / 11yrs old | 1/5/2012 |
| Q: my furnace starts up and shuts off within seconds, I have replaced the heat sensor and placed a new ... A: Geno, Your "Carrier" furnace has two compartments. The lower one (usually) has the gas valve and ... | |
| Lennox furnace sequencer | 1/3/2012 |
| Q: My all-electric Lennox furnace is less than 10 years old, and has 3 heating elements, with ... A: Dan, The "stack" sequencers you have in your furnace are the same as every other Electric furnace ... | |
| Humidifier Installation | 1/2/2012 |
| Q: I have a Lennox G51 MP gas furnace and an Aprilaire 600 humidifier. I am getting no humidity in to ... A: Peter, Only seeing the picture you sent I cannot address everything. What I can say is that the ... | |
| Furnace Trouble | 1/1/2012 |
| Q: I have an Armstrong furnace (not sure of the model, I can probably get it later though) with a ... A: Kenneth, You can also pull the flame sensor and polish it with a green scratch pad or emery paper ... | |
| Furnace Trouble | 12/30/2011 |
| Q: I have an Armstrong furnace (not sure of the model, I can probably get it later though) with a ... A: Kenneth, It really depends on the age of the furnace as to what I could help you with.Model age, ... | |
| Heat pump keeps cycling on and off | 12/30/2011 |
| Q: I have a new R-410A split system heat pump (a few months old). It seemed fine during the summer ... A: Mike, You need to get the install company back out ASAP!!! That unit is either way overcharged or ... | |
| KEEP-RITE DC 90 ULTRA HIGH EFFICIENCY FURNACE | 12/14/2011 |
| Q: FAN SOME TIMES CONTINUOUSLY RUNS WITHOUTH PILOT LIGHTING, FAN RUNS SOMETIMES AND PILOT WILL LIGHT ... A: Roddy, Sorry I have been swamped with work. It is sounding like the control board or module which ... | |
| Air return in an OK place? | 12/13/2011 |
| Q: Although I am in Perth, Western Australia you obviously know your stuff and I’m sure airconditioning ... A: Melissa, I find it odd that even the manufacturer of the product would use the terminology that ... | |
| KEEP-RITE DC 90 ULTRA HIGH EFFICIENCY FURNACE | 12/12/2011 |
| Q: FAN SOME TIMES CONTINUOUSLY RUNS WITHOUTH PILOT LIGHTING, FAN RUNS SOMETIMES AND PILOT WILL LIGHT ... A: Roddy, I need to know if you are describing the inducer motor or the "blower" motor that moves the ... | |
| Heating | 12/9/2011 |
| Q: I want to replace my old line thermostat with a new honeywell RTH221B. Last year I had my boiler ... A: Larry, First of all a LINE thermostat is for high voltage, ie, 110 or 220 volts. If you have a ... | |
| High electric bills are killing us | 12/8/2011 |
| Q: My home is 800 square feet. Hubby and I work at home. Last year got $360 electric bill per month ... A: Adry, First, I assume you also have an electric ? Is this a manufacture home? If what you say is ... | |
| janitrol gas furnace pilot issue | 12/8/2011 |
| Q: at first, pilot would go out at some point after winter. then this season re-lit pilot and ran one ... A: William, When you cleaned the pilot assembly, did you pull the pilot tube off the flame hood ... | |
| Lennox G4OUH-36A-070-11 - No Heat | 12/7/2011 |
| Q: I have 2 Lennox G4OUH-36A-070-11 units - the downstairs unit functions fine, the upstairs unit works ... A: Ken, It sounds like the furnace is not getting 24 volts to the "w" connection for heat. ... | |
| where to put filter - old Custom Aire furnace | 11/12/2011 |
| Q: Such a basic question I'm embarrassed -- PG&E came out recently and turned off pilot light due to ... A: Susan, If your filter was that bad, just think what your duct system must look like. You might ... | |
| where to put filter - old Custom Aire furnace | 11/12/2011 |
| Q: Such a basic question I'm embarrassed -- PG&E came out recently and turned off pilot light due to ... A: Susan, Call the company [ tech ] that you had out. That is the best answer. I believe custom air ... | |
| HVAC American Standard Freedom 90 furnace | 11/8/2011 |
| Q: When I turn on the furnace at the power switch, the draft blower immediately kicks on and a few ... A: Bill, I honestly have never seen that on a ledger before. So, the first thing that needs to be ... | |
| American Standard Freedom 80 | 11/7/2011 |
| Q: On mu panel l get three flashes. It says pressure switch. Can you tell me how much a new one will ... A: Clyde, All that flashing code tells you is that 24 volts circuit is not being completed. It ... | |
| Sanyo Ductless problem | 11/3/2011 |
| Q: Last year I bought the SANYO CMH 2472 Multi-System Heat Pump Ductless Split Outdoor Unit with DC ... A: Zel, OK. The service manual on the pdf file I sent you has a list of the error codes and they will ... | |
| Register size needed | 10/30/2011 |
| Q: I have a 40 year old home that was originally installed with 48" baseboard registers under windows. ... A: Frank, I mean the equipment size and duct size as far as the cfm's needed and if the duct system ... | |
| Bryant 383KAV upflow gas furnace – status code 31 - Part 2 | 10/29/2011 |
| Q: Sorry, but I meant to add a picture of my furnace to my follow-up question. Then I could not see an ... A: Walter, The pressure switch is the circle next to the electrical box that says installation. The ... | |
| Dorve by Heatilator | 10/29/2011 |
| Q: I am looking to buy a used Freestanding Gas Fireplace. It is a Dovre by Heatilator model #GA259371. ... A: Kathy, I work on a lot of fireplace and stoves, but have not seen the model "dovre" I do, however ... | |
| Bryant 383KAV upflow gas furnace – status code 31 | 10/28/2011 |
| Q: I have a duel zone system. The unit for the upstairs zone is a Bryant 383KAV036070 upflow gas ... A: Walter, You have an UPFLOW for the upstairs? That is kinda odd, must be in a closet or a long ... | |
| HVAC American Standard Freedom 90 furnace | 10/27/2011 |
| Q: When I turn on the furnace at the power switch, the draft blower immediately kicks on and a few ... A: Bill, I do not remember those numbers. Are you sure they are not on either side of the door, or ... | |
| Bryant plus 90 furnace | 10/27/2011 |
| Q: the inducer motor runs, the pilot ignites, but main burner will not come on. This happened the first ... A: Tony, Cool, except I believe there was no red but a white wire, lol. Keep your air filter clean. ... | |
| Ruud Silhouette II Gas Furnace | 10/26/2011 |
| Q: John, I have a Ruud Silhouette II Gas Furnace and during the lighting cycle, only three of the six ... A: Al, You need to pull the burners themselves. Along the ends, there are "spreader" plates that the ... | |
| Bryant plus 90 furnace | 10/21/2011 |
| Q: the inducer motor runs, the pilot ignites, but main burner will not come on. This happened the first ... A: Tony, That's a pretty old furnace, you should be thinking about replacement. Meantime, your issue ... | |
| HVAC American Standard Freedom 90 furnace | 10/19/2011 |
| Q: When I turn on the furnace at the power switch, the draft blower immediately kicks on and a few ... A: Bill, It does not sound like the module is bad, rather the ignitor or the inducer is not making ... | |
| Fan Operation | 9/17/2011 |
| Q: I just recently cleaned out my old furnace and can't get the fan to come on. It is a Lear Siegler ... A: Rory, All you can do is remove it and take a look. You either damaged the wires, they got pulled ... | |
| Bryant furnace fault code | 9/13/2011 |
| Q: I have a Bryant model 320AAZ036060 the blower starts up but shuts off after about 20 or 30 seconds ... A: Wayne, Do you mean the "blower"? That is the motor that moves air through the duct system and ... | |
| Trane XE 80 | 9/4/2011 |
| Q: I am trying to find out what the proper size filter is for the Trane XE 80 Upflow/Horizontal Gas ... A: Marcy, Every furnace is different, if it is the factory opening at least it should be a common ... | |
| Coleman EB15B A/C | 9/1/2011 |
| Q: I have a coleman EB15B with a-coil and outside a/c unit. Unit operates and blows cold air, but it ... A: James, You have given me the Air Handler model number, which is a basic model that only has set of ... | |
| AC use in bedroom | 8/31/2011 |
| Q: Just had a geeneral question that my wife and I have been talking about lately.....She says she ... A: Brent, The more air that is allowed to leave the room and return to the return air the more air is ... | |
| concept 1000 central a/c problem | 8/25/2011 |
| Q: My a/c works, however even when the unit is not cooling the house the fan will not stop running. The ... A: Brandi, I assume you are talking about the FAN that blows the air through the duct system in your ... | |
| a/c smell | 8/23/2011 |
| Q: My a/c unit suddenly smells like burnt rubber. It has been running constantly since the 100C days ... A: Debbie, Usually a burning smell is first the blower motor going out and next a board or switching ... | |
| AC Motor wiring | 8/20/2011 |
| Q: I've installed a new AC motor in my Rheem Home AC system but dont know how to wire it. The motor is ... A: John, I assume you are talking about the condenser fan motor. ( the one at the outdoor unit that ... | |
| 2-8 degree indoor temp. split | 8/19/2011 |
| Q: Intermittent cooling, high suction pressure on 5 ton Carrier split AC with Millennium Scroll, ... A: Darren, Am a little confused on a few things you wrote, please clarify. I get Ra return temp and ... | |
| HVAC 2-stage Control Wiring | 7/22/2011 |
| Q: Is it possible to temporarily wire up a furnace such that the furnace blower will run on low while ... A: Steve, Sorry to hear about your issues. You have a blower motor that is variable speed, not just ... | |
| how to know if unit struck by lightning | 7/21/2011 |
| Q: I recently had a 12 year old compressor replaced. The company installed a 4 year old unit 3 weeks ... A: Chuck, "The company installed a 4 year old unit" is that a correct statement? I do not think ... | |
| hi pressure switch | 7/20/2011 |
| Q: My unit is a 2002 Amana (bought out by???). The pressure switch was changed recently but it took the ... A: Joe, If that amount also covered the call diagnostic AND it is on a roof top you got a deal. You ... | |
| Compressor vs. New unit | 7/20/2011 |
| Q: We have a 9 year old goodman heat pump in which the compressor has bellied up. We got our first ... A: Lynn, I am not familiar with the technical term "bellied up". LOL I think you either need to ... | |
| Moisture from Evaporator | 7/19/2011 |
| Q: We are designing a air cooled downflow Air Conditioner of 7.5 Tons for computer room application ... A: Shrikant, Why are you using so much air? Is that the requirement for the computer room? Water is ... | |
| Goodman Model CLJ36-1C | 7/17/2011 |
| Q: I have Goodman Model: CLJ36-1C, it is not working, i.e. no cooling. The Service Tech said - the ... A: Tom, First of all you are covered as far as warranty, they can go by the serial number, it has the ... | |
| Trane XE800 Weathertron and exorbitant electricity bill | 7/15/2011 |
| Q: We are renting an 800 sq ft duplex and we have an old 80s model Trane Weathertron XE800 in the home. ... A: Brian, Does the unit still cool your home? The property company should be told and the company ... | |
| hi pressure switch | 7/14/2011 |
| Q: My unit is a 2002 Amana (bought out by???). The pressure switch was changed recently but it took the ... A: Joe, Are you talking about the high or low pressure switch for the refrigerant? In the outdoor ... | |
| pancake air handler | 7/13/2011 |
| Q: what is the easiest way to change the blower motor, double shaft, with blower cages still on. A: Tommy, I have never heard of a "pancake air handler"??? As far as a double shaft blower, the ... | |
| Pro-Stat thermostat | 7/12/2011 |
| Q: I am looking for a Harper-Wyman thermostat Pro-Stat T5000 or T5020. Do you know where I could get ... A: Rick, I was on call this weekend and worked about 20 hours. Did not get a chance to go to storage, ... | |
| Pro-Stat thermostat | 7/11/2011 |
| Q: I am looking for a Harper-Wyman thermostat Pro-Stat T5000 or T5020. Do you know where I could get ... A: Rick, So, what is it that makes you want one of these? If it is for what it does or how it works ... | |
| Trane XE 900 Weatertron Heatpump | 7/10/2011 |
| Q: The unit seems to come on more often than in the past. I think the unit may need a little freon and ... A: Keith, If it was low it would stay on longer on each cycle, not shorter cycles more often usually, ... | |
| capacitor part number for my bryant 693dnd42c unit | 7/10/2011 |
| Q: I just had the capacitor replaced on my unit in Dec, and it has already quit. I took out the ... A: Debbie, If a new cap is no good within 6 months, there is something else wrong with the system and ... | |
| tempstar air handler coil | 7/8/2011 |
| Q: i have a 3 year old tempstar 2.5 ton HP. noticed for the first time yesterday that when i changed my ... A: Scott, What temperature was it outdoors when those where taken? And what was the sub-cooling? I ... | |
| tempstar air handler coil | 7/7/2011 |
| Q: i have a 3 year old tempstar 2.5 ton HP. noticed for the first time yesterday that when i changed my ... A: Scott, You need to get the service company back out while it is still close enough to the service ... | |
| VFD module on 1999 vintage Carrier System | 7/7/2011 |
| Q: John, First thank you for the service you provide. I am on the road and don't have the exact ... A: Jeff, I didn't think where you are that you would even have back up strips. So, it would be more ... | |
| air conditioning | 7/7/2011 |
| Q: I have a Goodman GPH1348H21AB 4 ton 13 seer unit has only 2 seasons on it, it is not kicking on the ... A: Will, First check your air filter, if it is clogged your unit will freeze the coil inside and no ... | |
| VFD module on 1999 vintage Carrier System | 7/6/2011 |
| Q: John, First thank you for the service you provide. I am on the road and don't have the exact ... A: Jeff, I am a Carrier dealer and have never heard of a VFD? Are you talking about the ECM? That ... | |
| Coleman furnace question. | 7/4/2011 |
| Q: I am working on a coleman evcon furnace what the problem is that it the Fan turns on by its self and ... A: Troy, I give priority to those who want to learn and a desire to do things the right way, so feel ... | |
| ac | 7/4/2011 |
| Q: I was wondering how often a central a.c. unit should be cleaned? Thanks! A: Lauren, It depends on what you are actually asking. The outdoor unit should have a clean, ... | |
| dead air conditioner | 7/3/2011 |
| Q: My air conditioner just stopped working, no movement or sound. I replaced the fuses but it still no ... A: Kerri, You are past warranty by one year. It could be a few things. One it could be is if you ... | |
| Outdoor AC air intake | 7/2/2011 |
| Q: I recently noticed a buildup of fibers on the mesh intake grills on all sides of my Goodman AC. This ... A: Fran, That is a common problem. Most of the time it IS lint as the outdoor units are sometimes ... | |
| Coleman furnace question. | 7/1/2011 |
| Q: I am working on a coleman evcon furnace what the problem is that it the Fan turns on by its self and ... A: Troy, It has to be in the furnace. I believe the newer colemans have a board that controls the ... | |
| Low Voltage wiring diagram for Rheem RPLA-036JAZ | 6/27/2011 |
| Q: Do you have or know where I can find the low voltage wiring diagram for a Rheem A/C unit model #: ... A: Espy, I don't understand? Your first question you said "If I manually push on the contactor ... | |
| Unico/Bryant system & odor | 6/26/2011 |
| Q: I have 3 Unico 2 year old HVAC systems w/ exterior Bryant AC units that use Puron 410A. I have a ... A: Dan, First if you have a leak the A/C would stop cooling as R410a is very charge critical. The ... | |
| Low Voltage wiring diagram for Rheem RPLA-036JAZ | 6/26/2011 |
| Q: Do you have or know where I can find the low voltage wiring diagram for a Rheem A/C unit model #: ... A: Espy, Are you sure it is not RPKA instead of RPLA? I think it is and if so it is heat pump. And ... | |
| Blower turns itself on and off & thermostat is off | 6/24/2011 |
| Q: Coleman DGATO56BDE - furnace blower motor comes on and runs for several minutes and then turns ... A: Try this for the manual ... | |
| Trouble restarting without flipping breaker | 6/24/2011 |
| Q: This started when the unit would go off and trip the breaker, technician came out said it was ... A: Tracey, Call the owner of the company and tell him your story and insist on your money back for ... | |
| 1985 ArcoAire condenser | 6/23/2011 |
| Q: I have a 1750 sq ft home that was built in 1985. I believe that the A/C system is the original one. ... A: Roy, A Month??? Call a local HVAC company. The tech will have it fixed by the following day at ... | |
| Ac problem | 6/22/2011 |
| Q: I have a carrier puron ac/ heat unit. Called tech and he cant find the problem. Ac is always set on ... A: Tiffany, You need to get a tech out that understands the Carrier Infinity system. It will tell ... | |
| Blower turns itself on and off & thermostat is off | 6/19/2011 |
| Q: Coleman DGATO56BDE - furnace blower motor comes on and runs for several minutes and then turns ... A: Larry, The blower on that furnace is energized through a small single pole single throw relay and ... | |
| Current and Potential Relays | 6/18/2011 |
| Q: Last night I googled potential and current relays. What I remember today is: They both connect ... A: John, I can tell you that 25 years ago I still stocked my service van with a full range of start ... | |
| an expansion valve problem? | 6/17/2011 |
| Q: Borgman, I live in southern Texas and have a 20 year old Lennox split A/C furnace. Recently, the ... A: Mike, If the suction line ( that is the big one with black rubber insulation) at the outdoor unit, ... | |
| Your recommendation in Answer to Chris: If bad capacitor, change "current relay" | 6/16/2011 |
| Q: On the Recent Questions and Answers page (yours), reagarding a 6-year old Carrier system, part of ... A: John, In days past almost all compressors had a starting circuit, now days only a few do. It ... | |
| Is my A/C system overcharged? | 6/16/2011 |
| Q: I'm no A/C tech, just a DIYer with Fieldpiece diagnostic tools and a desire to learn. I have an ... A: Jim, You are correct that your superheat is 17, 17.5 actually and yes it is too high. You didn't ... | |
| Home AC question | 6/14/2011 |
| Q: I have an old 2 ½ ton Payne unit model # 30PAC1S6A6 that is going out. This unit covers 686 square ... A: Mike, With the limited info all I could do is guess. Although it sounds like the current unit is ... | |
| Proper Method For Setting Heat Anticipator | 6/14/2011 |
| Q: Please tell me the proper way to set a Heat Anticipator when installing a new mechanical thermostat, ... A: John, You put a mili-amp meter on the anticipator which is in series as you suspect and adjust it ... | |
| Electrical Specs For Electric Furnace | 6/14/2011 |
| Q: My other question was about information contained in Nordyne's Technical Specs manual (Electric ... A: Yes the lower rated breaker will have the blower and usually the control voltage ( transformer, ect. ... | |
| AC leak, replace or repare?/ & Start capacitor needed? | 6/9/2011 |
| Q: I have a six year old carrier unit that started blowing cold two weeks ago here in Houston after ... A: Chris, I was gone for the weekend. As far a the leak, yes oil is an indicator, but not a sure ... | |
| Can I add a Fan-On (only) switch? | 6/9/2011 |
| Q: On a mobile home furnace (not split system, but single-packaged unit A/C (only) (if that's the ... A: First, unless his house was below 55 degrees inside it should not freeze up unless something is ... | |
| Capacitors | 6/9/2011 |
| Q: In some of the self-contained, outdoor air-conditioning units I see, there are often two capacitors ... A: No, just for a compressor and only if the original cap is weak, not shorted . Hard start caps have ... | |
| Capacitors | 6/9/2011 |
| Q: In some of the self-contained, outdoor air-conditioning units I see, there are often two capacitors ... A: Correct, Although they are classed RUN caps, they also add energy during the start period and have ... | |
| New A/C needs circuit breaker reset to function | 6/9/2011 |
| Q: A brand new Comfortmaker SX2300 connect to a brand new Comfortmaker 2-stage furnace. Had a white ... A: Howard, My bad, I thought that was a heat pump, we have very few of that companies equipment here. ... | |
| Capacitors | 6/8/2011 |
| Q: In some of the self-contained, outdoor air-conditioning units I see, there are often two capacitors ... A: Your not going to get hurt in any way from the caps that you will come across and since they are ... | |
| A/C Freezing Up | 6/7/2011 |
| Q: We have a new (less than a year old) Goodman central unit at our new house (2200 sq ft LA). Our ... A: Jeff, Although I do not understand trying to use the A/C when it is the 60's outside, it is your ... | |
| New A/C needs circuit breaker reset to function | 6/7/2011 |
| Q: A brand new Comfortmaker SX2300 connect to a brand new Comfortmaker 2-stage furnace. Had a white ... A: Howard, You need to call the owner and get a senior tech out there. That one does not know what ... | |
| too much humidity in my house | 6/6/2011 |
| Q: Two years ago I had a new heating and air conditioning system installed in my house. The old air ... A: Glen, The A/C is not oversized for that size home, so short cycling is not the problem. I assume ... | |
| tempstar heat pump problem | 6/5/2011 |
| Q: I have a 5 ton slant top tempstar heat pump 13 seer unit that was installed in July of 2006. It has ... A: Tommy, I will assume that all air vents are open and clean filter?? After the unit runs for 10 to ... | |
| Appropriate A/C Guages for my work. | 6/4/2011 |
| Q: I do part-time AC repair in a mobile home park. I'm not HVAC certified, but most of the problems I ... A: The amp draw of the compressors and the fans are all listed on the equipment as either RLA or FLA. ... | |
| Appropriate A/C Guages for my work. | 6/4/2011 |
| Q: I do part-time AC repair in a mobile home park. I'm not HVAC certified, but most of the problems I ... A: A cheap set is all you need. But, just putting on gauges and looking at a chart will only get you ... | |
| A/C control | 6/3/2011 |
| Q: John, I live in Houston, TX so my air conditioners have been running for several months already this ... A: Kenny, It depends where you are loosing the 24 volts. There is a transformer in the furnace that ... | |
| A/C stopped running | 5/30/2011 |
| Q: I have a Nordyne js5bd 024kb compressor outside and a Rheem RCBA 3765GG17 air handler in the house ... A: Bill, There are breakers in the Air Handler on that furnace, check them. If they are not tripped ... | |
| wrong size air handler | 5/30/2011 |
| Q: i had a 2/12 ton compressor installed by one company,then a year later a 3 ton air handler installed ... A: Len, All you could have lost is humidity control. That is assuming that the condo is matched for a ... | |
| Home ac unit | 5/29/2011 |
| Q: I guess I should give a little background first. Last summer I had my a/c unit disconnected and ... A: Rich, The "wet" line means the refrigerant charge is at least close. So, if it worked well before ... | |
| Home ac unit | 5/29/2011 |
| Q: I guess I should give a little background first. Last summer I had my a/c unit disconnected and ... A: Rich, I can tell you that the re-install was not done right. It sounds like your indoor coil is ... | |
| Wires not marked | 5/24/2011 |
| Q: I am installing a honeywell rth221b and my wires are not marked by corresponding letters. I have two ... A: Kendall, There is no way I can know where the wires are coming from. Obviously they are not ... | |
| A continious leak | 5/23/2011 |
| Q: I bought a foreclosed home May of 2010. I had a brand new A/C unit installed (and coil inside) as ... A: Winona, It is out of freon AGAIN. You need to call and talk to the owner of the company ( he may ... | |
| condensate | 5/22/2011 |
| Q: I will keep short what I could make a very long story. About 12 years ago, my wife and I had a ... A: Patrick, That is not a condensing gas furnace! It does not make water, so if it is causing water ... | |
| Clare Natural Gas Furnace | 5/21/2011 |
| Q: 12 years ago when gas became available in our area, we had a Clare Natural Gas Furnace installed: ... A: Laurie, In short the answer to your question is yes. I am not familiar with that make of furnace ... | |
| 5 ton Goodman HVAC split unit | 5/17/2011 |
| Q: I have a goodman 5 ton split unit heat pump 16 seer rating. It's a two stage compressor and blower. ... A: Tom, Correct about running a separate R/A from the R/A plenum. A plenum is the name of the sheet ... | |
| wiring a/c to thermostat | 5/17/2011 |
| Q: i just added a/c to my furnace, my furnace is a goodman that was one of the first 80% furnaces. but, ... A: Zeke, First off if you have wires hanging from a limit and it is not in the system, you could ... | |
| Propane Trane Unit Heater | 5/15/2011 |
| Q: The model number is MGPND020ADF10000. It was set up for natural gas, I bought the kit to switch it ... A: Summer, Tell me about the kit you used. What all did you change? You should have had a new ... | |
| 5 ton Goodman HVAC split unit | 5/12/2011 |
| Q: I have a goodman 5 ton split unit heat pump 16 seer rating. It's a two stage compressor and blower. ... A: Tom, Your floor plan didn't come through good enough to help. But, it would help, for sure, to ... | |
| HVAC question | 5/7/2011 |
| Q: I have a 9 year old system that I am being told has a "restriction inside the coil, need to clear ... A: Mike, That helped a little. I assume you ment 61 degree's outdoor ambient? I really need the ... | |
| HVAC question | 5/7/2011 |
| Q: I have a 9 year old system that I am being told has a "restriction inside the coil, need to clear ... A: Mike, I would need more tech info to give you a proper answer. Generally a restriction is in the ... | |
| Request help for gas usage calculation | 5/6/2011 |
| Q: I have 3 bedrooms/2.5 baths house in IL. Above Ground Living Area (Square Feet): 2048 Basement ... A: Amy, Google clock a gas meter. You turn off every other appliance and pilot light. Then run the ... | |
| flexible ductless a/c lines | 5/4/2011 |
| Q: Where can I get flexible hose refrigerant lines that are R-22 compatable that are or can be made for ... A: Michael, That is because they do not exist. It is all soft drawn copper that is work hardening. ... | |
| A/C stops working & temp increases | 5/3/2011 |
| Q: I live in a condo & usually keep my a/c on 72 to 74, depending on outside temp (I live in ... A: Ashley, I will have to guess you have a heat pump, but I don't know what kind, ie, split system, ... | |
| A/C Outside Unit | 5/1/2011 |
| Q: My outside A/C unit has quit working. I think the motor is no good. It's a bit old, so I'm ... A: John, If you are talking about replacing the entire outdoor unit, then you have to replace the ... | |
| Heat Pump - Ice in inside unit | 4/28/2011 |
| Q: I am a residential homeowner who knows very little about heatpumps. I recently used the cooling ... A: Ken, I am happy to help someone who wants to know about there HVAC equipment . Here is an over ... | |
| Request help for gas usage calculation | 4/27/2011 |
| Q: I have 3 bedrooms/2.5 baths house in IL. Above Ground Living Area (Square Feet): 2048 Basement ... A: Amy, I think you need to get your utility involved if this is really bothering you. I really do ... | |
| Request help for gas usage calculation | 4/26/2011 |
| Q: I have 3 bedrooms/2.5 baths house in IL. Above Ground Living Area (Square Feet): 2048 Basement ... A: Amy, I assume that you either have your meter read on a monthly basis or it is estimated and then ... | |
| tempstar a/c unit | 4/26/2011 |
| Q: I have an older tempstar mobile home unit that is a all in one unit, it doesnt have a unit outsude ... A: Crystal, I assume you mean that you have no indoor unit? That is called a package unit. What I ... | |
| Heat Pump fan stops | 4/24/2011 |
| Q: I just recently paid a service company 100 for house call 95 for him to replace a Capacitor. The ... A: James, I can only guess you are talking about a Rheem or Ruud unit and that you are talking about ... | |
| Air Noise | 4/23/2011 |
| Q: 4 year old Bryant 340AAV 4 way condensing gas furnace - hot air system. Periodically when heat is ... A: Bruce, Just curious why if I helped you that good and promptly, you only gave me 9's? Just curious | |
| HVAC 4 ton train unit | 4/22/2011 |
| Q: I replaced my condensing unit 2 yr's ago. Have no problems until now. I turned on the unit set temp ... A: Ron, It sounds like your "freon level" is not full. If it has worked the way you described in the ... | |
| Air Noise | 4/21/2011 |
| Q: 4 year old Bryant 340AAV 4 way condensing gas furnace - hot air system. Periodically when heat is ... A: Bruce, That is a pretty tough one to do over the internet. One thing I have seen that fits that ... | |
| bad coils in rheem ac | 4/21/2011 |
| Q: I live in a mobile home park with about 40 new units installed in the last 4 years.1400 sqare feet ... A: Andy, As I said, yes Rheem had some issues with a more than normal failure rate or metering ... | |
| bad coils in rheem ac | 4/15/2011 |
| Q: I live in a mobile home park with about 40 new units installed in the last 4 years.1400 sqare feet ... A: Andy, Got this question from the question pool. The coils themselves have not gone bad, only the ... | |
| A/C UNIT | 4/10/2011 |
| Q: I have a Tempstar high efficiency 5000 slit system outside unit. It stopped cooling and froze up and ... A: A.T. I am answering this question from our question pool. It does sound odd that it would stop ... | |
| air-heater coil | 4/9/2011 |
| Q: I had my AC serviced last week and the technician reported that the 'unit is low on R-410A ... A: Robert, Because it is warranty it SHOULD be replaced. But, the labor is way high. The refrigerant ... | |
| furnance | 3/30/2011 |
| Q: I just purchased a xv95 trane furnace. I know this is a 2 stage furnace. Do I need to have a 2 ... A: Diane, A 2 stage thermostat is what you want. If you let the board on the furnace run both stages ... | |
| heat pump | 3/29/2011 |
| Q: I have a 1000 series armstrong heat and air unit. My problem, the air conditioner works but the heat ... A: You said the tech put it in a new board....in the outdoor unit? What you describe makes no sense ... | |
| gas burner not igniting American Standard 90 | 3/29/2011 |
| Q: I have an American standard Freedom 90 unit that will not ignite the gas burner. I’ve tested all the ... A: ooops missed that.Is one of 2 things. The ignitor or the board. The ignitor does not spark it ... | |
| gas burner not igniting American Standard 90 | 3/29/2011 |
| Q: I have an American standard Freedom 90 unit that will not ignite the gas burner. I’ve tested all the ... A: What error is flashing? How many flashes and what does the ledger say for that number of flashes.? ... | |
| gas burner not igniting American Standard 90 | 3/28/2011 |
| Q: I have an American standard Freedom 90 unit that will not ignite the gas burner. I’ve tested all the ... A: David, I do not need a manual, what I need is more info from you. Where in the start up sequence ... | |
| Heil Furnace | 3/26/2011 |
| Q: Good Afernoon : I have a LP Forced Hot Air Heil Furnace, Model H9MPD125L20A3. It is 8 years Old and ... A: That's why I hate the valve being called a "SMART" valve, because it is not. You need a tech to ... | |
| Heil Furnace | 3/26/2011 |
| Q: Good Afernoon : I have a LP Forced Hot Air Heil Furnace, Model H9MPD125L20A3. It is 8 years Old and ... A: I think that unit has a honeywell Smart valve on it. If so the ignitor plugs right into the gas ... | |
| heat pump | 3/22/2011 |
| Q: I have a 1000 series armstrong heat and air unit. My problem, the air conditioner works but the heat ... A: Danny, I hope this is new unit under warranty and if not, that you have not been charged for any ... | |
| temperature at register | 3/19/2011 |
| Q: for a central air-conditioning system, what temperature should the air be at the point where it is ... A: Grace, The temperature coming out of the "supply" vents should be about 20 degrees colder than the ... | |
| martin gas log stove thermocouple | 3/18/2011 |
| Q: I have a martin gas log stove that came with the house when we bought it 10 years ago. The pilot ... A: Cathy, We do not have that brand in this part of the country, but any local HVAC company can get ... | |
| York furnace blower will not shut off | 3/7/2011 |
| Q: I have a York roof mount hvac M#D3GH036N06006A Sometimes after the house is warm the blower fan ... A: Paul, The proper way to find your problem is to jump R and W at the RU at the circuit board. If ... | |
| Carrie HVAC Package Unit | 3/6/2011 |
| Q: The heat will not go off. The only way we can get it to turn off is if we turn it to AC and then ... A: Kelly Lee, Either the thermostat, thermostat wires shorted together or the control board would be ... | |
| Air Filtration Options | 3/3/2011 |
| Q: My Trane 4 ton XL 19i air handler uses an electronic filter system with a 1" pre-filter (metal ... A: In that case you should purchase from Trane if they have one available. I have not bought one ... | |
| Goodman heatpump | 3/3/2011 |
| Q: I have a Goodman 18 seer 4 ton heat pump. I noticed that the system is running on aux heat and not ... A: George, Need more info. How old, what setting is thermostat, is thermostat set to lock out heat ... | |
| Air Filtration Options | 3/2/2011 |
| Q: My Trane 4 ton XL 19i air handler uses an electronic filter system with a 1" pre-filter (metal ... A: Steve, For allergies you can't beat the E.A.C cells, with the pre screens. But you can add what ... | |
| Thermostat problems | 3/1/2011 |
| Q: I've been living in my house for about a year and a half. When I moved in, a carrier debonair 450 ... A: Katie, Usually when a thermostat is blank it means there is no 24 volts going to it. I don't know ... | |
| Furnance stops intermitantly | 2/27/2011 |
| Q: I have a York Diamond series furnace (14 years old). My furance will start, ignite and as soon as ... A: Dan, I need more info than it" did not do anything." As far as the first things you stated, it ... | |
| replacement of air conditioner | 2/25/2011 |
| Q: I have an 10yr old goodmand unit split system with gas furnace. My dog has urinated on the unit ... A: James, I think you mean 13 SEER...lol Anyway, No you do not have to replace the indoor coil. The ... | |
| RUUD, Model# UAMB-030JAZ won't run | 2/22/2011 |
| Q: I have a RUUD, Model# UAMB-030JAZ. Stat has been on heat for about a month. Flipped back to AC, ... A: Glenn, The model number that you supplied appears to be an Air Conditioner. RUUD UAMB-030J* Air ... | |
| HVAC | 2/20/2011 |
| Q: I live in a double trailer and when I went looking for a unit to put in my trailer I was told I ... A: John, The most common reason for lack of humidity control is either an over sized A/C unit or the ... | |
| HVAC Cooling Problems | 2/16/2011 |
| Q: We have emerson PAC in our Data center with DX unit and it is operational. Recently, in an incident ... A: Manish, The first thing to check is the air filter at the indoor unit, if it is clogged, the coil ... | |
| tempstar furnace | 2/11/2011 |
| Q: I noted a lack of warming in the house, although present. checked the duct work for warmth; found ... A: Bob, Look on the door to the furnace, front or inside, or somewhere including the control itself ... | |
| luxair 95+ | 2/9/2011 |
| Q: I have a 2005 luxair 95+ furnace. This unit operates fine when the temperature is set at a ... A: Vaughn' The water made by the furnace is backing up into the furnace and causing the pressure ... | |
| outside electrical issue | 2/8/2011 |
| Q: ruud UPNE- 036JBZ 2 years old (outside unit) Ruud Acheiver air handler 1 year old inside unit... ... A: Mitch, First check your air filter(s), they might be clogged. If you let them get real dirty, the ... | |
| central ac duct for new home | 2/6/2011 |
| Q: home will be approx 2340 living aera,would like to know what would be the best duct to use,flex with ... A: Galeon, You will best served to find a company that really knows what they are doing for this job. ... | |
| Bryant Plus 90 code 31 | 2/5/2011 |
| Q: I recently replaced the pressure switch on my Bryant Plus 90. After this last week's huge midwest ... A: Tina, About the easiest way to keep that from happening again is once a year at the start of the ... | |
| Bryant Plus 90 code 31 | 2/5/2011 |
| Q: I recently replaced the pressure switch on my Bryant Plus 90. After this last week's huge midwest ... A: Tina, The P-trap inside the furnace is probably clogged and water backs up into the collector box ... | |
| Heat Pump--What's Happening? | 2/3/2011 |
| Q: My heat pump was running in the normal heat mode while I was standing next to the outside unit and ... A: Dan, Everything you describe sounds like the defrost cycle, except for the fan blade stopping like ... | |
| DIY Humidifier Install | 2/2/2011 |
| Q: Afternoon John: I am trying to hook up an atomizing humidifier and have some questions. First, ... A: Paul, I recommend you have a tech out to wire that up. First most furnace transformers are not ... | |
| Trane xl1200 | 2/2/2011 |
| Q: I have a 22 year old Trand XL1200 heat pump. It is beginning to give trouble, and my tech says it ... A: Sam, If the air handler is built in really good it would be cheaper to rebuild it if needed it ... | |
| York Heat Pump | 2/1/2011 |
| Q: I have a heat pump that is blowing luke warm air. I checked the thermostat and it shows that ... A: Mark, Sounds like one of 2 problems. First check you air filter and make sure ALL the air vents ... | |
| Hole in line to expansion valve bulb | 1/30/2011 |
| Q: While searching for a leak in my 2003 Trane heat pump (leaking schrader valve), the service tech ... A: Dee, Did he show you the hole? It should have looked like it happened from the very start of its ... | |
| Furnace is cycle but no heat | 1/29/2011 |
| Q: I have a FG6RA 072C-12A - Nordyne. It is currently cycling like it wants to kick into heat, but ... A: Joanne, I need more info than cycles. The whole furnace, the start up, the burners, the hsi???? ... | |
| hvac no electric | 1/27/2011 |
| Q: We just had power out for a day here after a snow storm (annapolis) and the power comes back on but ... A: Matt, That model number does not come up with anything when I try and look it up. But I assume it ... | |
| Locating elusive electric heat relay | 1/25/2011 |
| Q: I have electric heat in my house, each room on it's own breaker in the garage. One room now bakes at ... A: Carol, Sorry I don't know what your electrician is thinking, unless you have the Cadet in the wall ... | |
| changing swithover temperature on Honeywell thermostat | 1/25/2011 |
| Q: I have a Honeywell TH8000 thermostat which is great. It controls my heat pump and also my secondary ... A: Bradly, On the installation booklet, it shows which "tabs" to push on the bottom row to get into ... | |
| Rheem RGPJ 05EAUER furnace will not stay lit longer than 5 sec | 1/24/2011 |
| Q: I changed out the filters (which I try to do on a regular basis) the other night. Didn't notice ... A: Joe, Not sure what wire you are describing, but any burn mark is not good. Generally what you ... | |
| Residential gas furnace replaced parts | 1/23/2011 |
| Q: I live in Texas. Have a Goodman Model HCA100ND4R Serial 911108496 residential natural gas furnace ... A: Jim, As long as you did not alter the pipe size at the inlet, have the valve with the arrow going ... | |
| universal remote for air conditioner | 1/22/2011 |
| Q: we have a chigo split air conditioner. the remote got stolen and friends bought us a chunghop ... A: Neil, We have nothing like that in America, but if you want to send me the full name, model and ... | |
| York Gas Pack Unit | 1/21/2011 |
| Q: We have a 3ton York Unit electric air/propane heat. The problem is that; you can hear the fan come ... A: Linda, How old is that unit? If it has a flame sensor in it, it does not have a pilot that needs ... | |
| AS Gas Furnace diagnosis | 1/20/2011 |
| Q: I have a 10 year old AS Freedom 80 two stage gas furnace installed in my attic, which has stopped ... A: Steve, Not knowing what model, I assume you are talking about a little green interface board? If ... | |
| Central heating unit | 1/19/2011 |
| Q: I have owned my home for 12 years and it was new when I bought it. For the past five years we have ... A: Denise, I can help you, but I will need more info. First what model Carrier do you have. If the ... | |
| York Stellar P3CUD furnace. | 1/18/2011 |
| Q: Customer complained about no heat. Arrived at residence and immediately found bad spiral type HSI ... A: Rich, One more thought. If you used a honeywell s86u series or ever do, you have to use all and ... | |
| Air Flo central air (heating) making a whistling noise | 1/17/2011 |
| Q: I have a 5 yr old Air-Flo central air system installed by the builder. I'm not sure if it's ... A: Amie, What you describe could be a lot of things, but for sure, it should be looked at. An amp ... | |
| 2-stage furnace works in first stage only | 1/15/2011 |
| Q: My furnace runs fine in the first stage, but when it calls for the second stage, it gives an ... A: Kip, There is only one way to proceed to the next step. That is to put a manometer on the vacuum ... | |
| Gas Furnace Malfunction | 1/15/2011 |
| Q: I have a unit that had normal blinking light until ther was a call for heat then it givave 3 flash ... A: Steve, It sounds like the drain for the water might be clogged and the water backs up into the ... | |
| AS Gas Furnace diagnosis | 1/14/2011 |
| Q: I have a 10 year old AS Freedom 80 two stage gas furnace installed in my attic, which has stopped ... A: Steve, As far as swapping the board, you don't need to worry about dip switches as it is just a ... | |
| AS Gas Furnace diagnosis | 1/13/2011 |
| Q: I have a 10 year old AS Freedom 80 two stage gas furnace installed in my attic, which has stopped ... A: Steve, All the blinks count for the error code, so 7 is the code. With what you describe, first ... | |
| Emergency heat on heat pump | 1/13/2011 |
| Q: Re Simple Comfort thermostat Model 2200. Every once in a while I think the heat strip goes on, and ... A: Rich, Yes that will eliminate the thermostat from calling for the strips to come on. However they ... | |
| Monitor Heater 2400 Kero (flashing E-14 in display) | 1/6/2011 |
| Q: We understand that your problem is: I have a MPI Monitor Heater - model 2400 Heater ( kerosene) and ... A: Peggy, I am not familiar with that make and model, but there should be a ledger on the door of ... | |
| Air Conditioning Order | 1/5/2011 |
| Q: I had new duct work installed last summer. A/C ran fine all year long. In December, we needed to run ... A: Shawn, I would venture that something to do with the new duct work has caused water to invade the ... | |
| Question | 1/5/2011 |
| Q: I was working in my yard - The out side unit suddenly got very loud . The fan stopped too . It is a ... A: Steven, I got this question from our Question pool. Yes, it sounds like it was just going through ... | |
| Fan stopped and a burning smell | 1/3/2011 |
| Q: Coleman Evcon H&A.Was running only the fan for ventilation,no ac or heat.The fan stopped and a ... A: Eddie, The wires from that fan motor go into that box, mounted on the front of the blower ... | |
| Older In-floor Single Grill Gas Furnace Stopped Working | 1/2/2011 |
| Q: John, 2011 greeted us by killing our heat which is perfect timing in Portland right now (it's ... A: Damian, Portland here also. The company I work for can fix that for you, but , the first opening ... | |
| Carrier Control Panel | 12/30/2010 |
| Q: I have a gas furnace. I select "heat". The house is warm. The fan is "off." Do I need to turn ... A: Josh, You don't need the fan "on" for heating or cooling. That switch is just for if you want air ... | |
| return for heat-hump | 12/29/2010 |
| Q: I currently have a heat pump on the lower floor in my home that have two cut-out for returns that ... A: Rob, Sorry, your description does not make sense to me. First if they are returns, they cannot ... | |
| Heil furnace, Model NTGM100EHA3 | 12/28/2010 |
| Q: furnace would not heat yesterday. Fan blew constant(even though on 'auto'). Turned it off, then back ... A: Jerry, You stated " roll out " and " limit " which are 2 different things. But, either one is a ... | |
| Gibson Heater/furnace - fan always ON | 12/28/2010 |
| Q: We have a Gibson heater/furnace. Used to work very well for the past 8 years without a problem. ... A: Ramu, The limit circuit is for when the indoor furnace has overheated. Generally limit switches ... | |
| Gas Furnace | 12/27/2010 |
| Q: I am considering purchasing a Goodman GKS90904CX Gas Furnace 92,000 BTU Furnace, 92.1% Efficiency, ... A: Barelohim, Goodman is what is called a "contractors model". It is lower end equipment. I can see ... | |
| defrost problem | 12/27/2010 |
| Q: I have an Intertherm T3BC/T3QC system. I live just outside Charlotte NC. I have noticed since it has ... A: Jack, I do not know what Board that outdoor unit has in it, but pretty much every board will ... | |
| Central Heat | 12/26/2010 |
| Q: I have a Rheem Thermostat and when the heat is initially set to auto heat at 72 the unit works and ... A: Joseph, Your outdoor unit is shutting down and when the room temperature drops 3 or more degrees ... | |
| humidifier in attic | 12/25/2010 |
| Q: I have 2 air handlers in the attic for the second floor and 1 in the basement for the first floor ... A: Jeff, Having the supply pipe heat tape wrapped will work fine. The only issue will be just how ... | |
| hvac | 12/24/2010 |
| Q: I recently installed a Nat. gas self-contained air-quest unit it ran about 5 min and stopped the ... A: Dale, Not familiar with that name. Is this a regular duct system gas furnace or a stand alone ... | |
| Rheem outside of split unit fan problem | 12/19/2010 |
| Q: The Rheem condenser unit outside had several inches of ice on it. After melting all the ice on this ... A: Drew, I need more info. Did you manually melt the ice or are you talking about the end of the ... | |
| Rheem heat pump gone wacky | 12/18/2010 |
| Q: I had the same question as here --> ... A: Toney, Need a little more info. Model and serial number of the heat pump? What color led(s) ... | |
| Heat Pump problems / Furnace Non Operational | 12/17/2010 |
| Q: Scott, Thanks for offering this service. I am having the following issues : Pepco had come down ... A: Jitesh, First things first. Lets address the "heat pump mode". When the thermostat calls for heat ... | |
| Odd noise from furnace | 12/16/2010 |
| Q: I had a Bryant Evolution System Plus 95s gas furnace with Evolution Control installed over the ... A: Kirk, What you are describing is normal expect for the duration. If you watch, the ECM will ... | |
| Coleman Presidential II pilot light problems | 12/12/2010 |
| Q: John: My son, Bob, wrote you the following letter: Expert: john t. borgman - 12/5/2010 Question I ... A: What you are saying is happening is totally different than what Bob said was happening. If you are ... | |
| please help with my heater | 12/10/2010 |
| Q: I have electric heat and air in a mobile home, the heater is only blowing cold air,can you please ... A: Jim, The first thing to check is the breakers and make sure they are not off or in the tripped ... | |
| Mini-Split Heat Pump Blower Cycling | 12/10/2010 |
| Q: I have a new mini split system installed early this summer. A one ton unit for a 200 sq ft room in a ... A: Casey, Like I said all those mini splits have configurations like that and each one , each company ... | |
| Mini-Split Heat Pump Blower Cycling | 12/10/2010 |
| Q: I have a new mini split system installed early this summer. A one ton unit for a 200 sq ft room in a ... A: Casey, You should be OK then when you get the manual. Are you sure that installing it yourself ... | |
| Mini-Split Heat Pump Blower Cycling | 12/9/2010 |
| Q: I have a new mini split system installed early this summer. A one ton unit for a 200 sq ft room in a ... A: Casey, I personally have never saw a Air-con mini split, but work on others. That unit is under ... | |
| re: Circuit board replacement for Wesco | 12/9/2010 |
| Q: John, I currently have a HVAC repair service looking for the replacement or repair of a damaged ... A: Dave, I need to add to my answer to you. There is a possibility it is one of Jay Kays really ... | |
| Central air and heater | 12/9/2010 |
| Q: I have a 30 year old rheem central air and heater(gas). the air works fine the heater does not come ... A: Alan, It depends on what you mean about what is not getting any electricity. If the furnace ... | |
| furnace burners | 12/8/2010 |
| Q: i have a 22 year old tempstar 90% lp furnace i just had it cleaned and my gas pressure set. it ... A: Brian, Are you saying he cleaned the "inside" of the heat exchanger? If so and all he used was a ... | |
| furnace burners | 12/8/2010 |
| Q: i have a 22 year old tempstar 90% lp furnace i just had it cleaned and my gas pressure set. it ... A: Brian, You have one of 2 things wrong. An obstruction or improper gas pressure. Since you just ... | |
| central heat problem | 12/8/2010 |
| Q: I have a NG furnace that is giving this problem: The unit seems to work just fine except for one ... A: Landon, An HH board, huh? Must be about 20 plus years old? That replacement number is not ... | |
| Thermostat Illiterate | 12/7/2010 |
| Q: We have just moved into a new home where the owners did not leave behind any manuals. We have a ... A: Kari, Find the breaker in the panel marked furnace. Turn it off, wait a few seconds and then back ... | |
| Resistive Heat/Frigidare B3VM Air Handler | 12/7/2010 |
| Q: I would like to disable the "emergency heat" on the air handler. I am retired but, I have an ... A: John, The answer is yes if it works correctly now. The outdoor unit has low voltage wiring ... | |
| Re: AIR PURIFYER-LIVING AIR XL15: | 12/7/2010 |
| Q: John Borgman: It stopped working at all; no sound, no movement. I found the fuse was shot, so I put ... A: Makoto, That is not a product that is generally repaired in the field. I looked it up and it does ... | |
| central heat problem | 12/7/2010 |
| Q: I have a NG furnace that is giving this problem: The unit seems to work just fine except for one ... A: Landon, There is a board available for that furnace still. It no longer has the big clear plastic ... | |
| no voltage to thermostat | 12/6/2010 |
| Q: Panye econoair, model 24/60 YAC-108T, yr 6-30-72. Not getting 24 volts to thermostat A: Ron, Got this question from our question pool. The 24 volts comes from the furnace. I am not ... | |
| new unit | 12/5/2010 |
| Q: I'm a home owner and general contractor in the L A area. I have had very little contact with hvac ... A: Tom, Not a real fan of any of their products. And yes you are limited, although you should have ... | |
| Gas Furnace Problem | 12/5/2010 |
| Q: I live in a mobile home, and my furnace is a coleman 7656 b 856 presidential two. The problem is ... A: Bob, The thermocouple is the small copper rod that screws into the gas valve and the other end ... | |
| Heil Heater | 12/4/2010 |
| Q: I have a heil heater, and can not get the pilot light to ignite. This unit is old as I can not read ... A: Renee, First off it is the LAW that the landlord supply you with heat, he cannot refuse. You can ... | |
| Pro-stat thermostat by Harper-wyman | 12/3/2010 |
| Q: this unit has controlled our therma floor (240v, converts to DC to heat brass mesh wire in floor, ... A: Clee, I for one was sorry to to see the Pro Stat go away, I loved that thermostat. All that 24 ... | |
| Bard HVAC Heating Problem | 12/3/2010 |
| Q: I have a 3ton wallmount Bard on the side of my house, my wife turned on the heat and the unit shut ... A: Seth, I have never seen a Bard on a private residence. And if you are a tech let me know, I give ... | |
| Trane xl 1200 circuit board code | 12/3/2010 |
| Q: When i turn on heating it runs for about 20 minutes then the red light starts blinking twice on the ... A: Michael, Hi, John Borgman here, I got this from our question pool. Yes and if you look close the ... | |
| Intertherm unit frosting up | 12/3/2010 |
| Q: I had to go outside about 3AM last night and noticed almost the entire sides of the unit were ... A: Sure Jack. But as I said there must be a plastic (housing) jumper missing. Did you look in the ... | |
| Intertherm unit frosting up | 12/2/2010 |
| Q: I had to go outside about 3AM last night and noticed almost the entire sides of the unit were ... A: Jack, It is perfectly normal to frost, as a matter of fact it can be a few inches thick as long as ... | |
| Manual J and Furnace Sizing | 12/2/2010 |
| Q: The contractor we are working with has agreed to match the AC to what is recommended by the manual J ... A: Steve, You know HVAC sales guys get a percentage, you are getting enough knowledge to make ... | |
| Manual J and Furnace Sizing | 12/2/2010 |
| Q: The contractor we are working with has agreed to match the AC to what is recommended by the manual J ... A: Steve, Very interesting points for sure. I will admit that if the duct work can handle a larger ... | |
| Heat not turning on | 11/30/2010 |
| Q: I have a Lennox Merit Series 10hpb30-12p. 5yrs old.My air works fine, when I turn on my heat no heat ... A: Jason, You can run emergency heat forever. The difference is that when your heat pump is running ... | |
| Boiler age | 11/29/2010 |
| Q: I have a boiler (gas, hot water heat manufactured by HB Smith or AO Smith?) that was installed when ... A: Dave, John Borgman here, I picked this question from our "question Pool". The first thing you ... | |
| Ductwork | 11/28/2010 |
| Q: We just had the furnace and AC replaced and a mistake was made when sizing it so it ended up ... A: Steve, The suggestion from the Rheem Rep. falls in the same category as before...CYA. Yes you are ... | |
| furnace trouble | 11/28/2010 |
| Q: My Bryant Furnace will start and run for about 4 min and the burner shuts off like normal,then it ... A: James, The board for that isn't cheap. you should have a service tech out and look further. It ... | |
| Resistive Heat/Frigidare B3VM Air Handler | 11/28/2010 |
| Q: I would like to disable the "emergency heat" on the air handler. I am retired but, I have an ... A: John, Got this question out of our question pool. In the air handler, the thermostat wires hook ... | |
| lopi besrkshire gas stove | 11/27/2010 |
| Q: My stove gets a lot of black soot when burning and the glass gets black. Is this normal? Sometimes ... A: Dan, I don't know if this is heat or cook unit, but, the flame should be as blue as possible and ... | |
| Westinghouse FG5RA 060C-12A Furnance | 11/27/2010 |
| Q: the furnance was installed in a new house in 2006 and was used about 3 years. i bought the house ... A: Jim, I got this question from our question pool. John Borgman here. There should be a ledger on ... | |
| Oversized Equipment | 11/27/2010 |
| Q: We just had the furnace and AC replaced and a mistake was made when sizing it so it ended up ... A: As far as the Rheem Rep, that Is a CYA answer for sure. And not a good cover at that, for he is ... | |
| Oversized Equipment | 11/27/2010 |
| Q: We just had the furnace and AC replaced and a mistake was made when sizing it so it ended up ... A: Steve, I assumed you picked me because of my engineering background in this field? I cannot offer ... | |
| furnace trouble | 11/27/2010 |
| Q: My Bryant Furnace will start and run for about 4 min and the burner shuts off like normal,then it ... A: James, Ok, that unit was made 1993 ( first 3 serial numbers). That is right about the year that ... | |
| age of Trane gas pack | 11/27/2010 |
| Q: How can I tell the age of Trane gas pack. We were told that is was bought the year before we moved ... A: Trudy, Got this question from our question pool. Trane is really good on their Gas Packs putting ... | |
| furnace trouble | 11/26/2010 |
| Q: My Bryant Furnace will start and run for about 4 min and the burner shuts off like normal,then it ... A: James, how old is that carrier product? Is is old enough to have a thermocouple, Or new enough ... | |
| armstrong gravity furnace, natural gas. | 11/25/2010 |
| Q: Im currently working on an Armstrong Gravity Furnace ( 101a-g2-85, input btu 85.000, bonnet cap ... A: James, With a name like Coleman you should be the expert...lol You have a direct ground Jason. ... | |
| troubleshoot furnace | 11/25/2010 |
| Q: when theres a call for heat the blower moter goes on right away with the draft moter and the furnace ... A: Dan, I got this from our question pool, I am another expert on this site. That means that a limit ... | |
| Heat and AC at the same time | 11/24/2010 |
| Q: I am working on a unit that has both the A/C and Heater coming on at thte same time. I have checked ... A: Bill, Got this question from the question pool. It is not the transformer. The 24 volt line that ... | |
| Condensation forming on HVAC Lines | 11/22/2010 |
| Q: I have a Goodman 3 Ton Heat Pump 2nd story and 5 Ton AC (with gas furnace) main and a 2 ton (with ... A: John, Either the insulation on the large line is missing in some place and it is dripping water, ... | |
| blower fan | 11/17/2010 |
| Q: my rheem central air cond. unit has a vibration in it... works fine just vibrates like dust build up ... A: Mark, John Borgman here another site expert.At the "air handler" in the attic is where the blower ... | |
| Heat pump and 2.5 ton carrier air handler | 11/15/2010 |
| Q: I have a 12 yr old heat pump in which the compressor has gone out twice within 12 month each time. ... A: Canida, I got this question from our question pool. First if you lost a compressor withing 12 ... | |
| hearter blower wont come on | 11/12/2010 |
| Q: blower motor wont come on after heat cycle. can turn blower on in fan and then start heater and get ... A: Kirk, Got this question out of the question pool, Hi name is John Borgman another expert on this ... | |
| not getting power to control i think? | 11/7/2010 |
| Q: I have a synder general comfortmaker model no. gua080a012-12, serial no. 0000246425-p29-0280, mfg. ... A: Shirelle, Do you have 24 volts when you measure from Red to Common on the board? If not is there ... | |
| Bryant Plus 90 | 11/7/2010 |
| Q: I have had numerous problems with my Bryant Plus 90 furnace which was purchased new and installed in ... A: Rick, I got this from our question pool. I have been on vacation due to a back operation, but it ... | |
| Furnace replacement | 11/4/2010 |
| Q: I have a 19 year old amana gas furnace to replace in a 1961 california ranch single level home of ... A: Steve, You should really look at the Carrier Infinity system with matching thermostat. It would ... | |
| Fan making noise | 11/2/2010 |
| Q: I have an American Standard 80 Furnace. Just this morning when the fan kicks on or off it sometimes ... A: George, Good morning. That is called a draft inducer motor. It pulls the air that is mixed with ... | |
| coleman furnace pilot light goes off | 11/1/2010 |
| Q: The coleman furnace in my manufactured home is the original 1993 Evcon Presidential. This fall, ... A: Ok, lets sort this out. If you are talking about surface rust only on the inside of the furnace and ... | |
| coleman furnace pilot light goes off | 11/1/2010 |
| Q: The coleman furnace in my manufactured home is the original 1993 Evcon Presidential. This fall, ... A: Eileen, You led me to believe that other than the pilot going out the furnace was in great shape. ... | |
| coleman furnace pilot light goes off | 10/31/2010 |
| Q: The coleman furnace in my manufactured home is the original 1993 Evcon Presidential. This fall, ... A: Eileen. Although your furnace is 17 years old and a little inefficient, unless the heat exchanger ... | |
| New RUUD system -very noisy heat mode | 10/31/2010 |
| Q: Have a new RUUD 3 ton heat pump (UPRL-036JEC - Model Number & RHPL-HM3621 Air Handler). This summer ... A: Frances, Have you given the company that installed it a chance to look at it? It should be under ... | |
| air conditioner | 10/30/2010 |
| Q: i recently replaced my thermostat and my air conditioner wont stop running unless i turn it off at ... A: Jeremy, You either have it wired wrong or the wrong thermostat. Your tstat should be a ... | |
| ? | 10/30/2010 |
| Q: i have a home. i was laid off earlier in the year and its been difficult to get back to work. with ... A: west, There is no magic number. It depends on house size, insulation, windows and on and on. If ... | |
| furnace | 10/18/2010 |
| Q: My furnace blows cool air during heat cycle. clogged coiled? A: Rob, Going to need a lot more info. Does it heat at all? Does the blower stay on all the time? ... | |
| Black Soot | 10/18/2010 |
| Q: I am hoping you can give me some ideas here. We seem to have a black soot problem. It is on the ... A: Terri, Here is what you can try to find if the heating system is causing the problem. Get some ... | |
| Heat pump thermo expansion valve repplacement | 10/17/2010 |
| Q: I have a Rudd heat pump that is 10 years old. Had a service check done on it the other day and the ... A: Matt, A little confused? The ok pressure I assume is for an R22 system and is the high side ... | |
| Tempstar T4H | 10/17/2010 |
| Q: I have a Tempstar T4H unit heat pump, electric unit. It defrosts frequently even when it is not real ... A: Susan, There is a place on the control board for the outdoor unit that adjusts the time. There ... | |
| Payne Forced Air Heater | 10/17/2010 |
| Q: My Payne forced air heater 115,000 BTU, is not working today, worked yesterday. Was installed in ... A: Larry, Are you saying that you checked the white and black leads to the inducer motor and there is ... | |
| Furnace burners not all lighting | 10/16/2010 |
| Q: I am working on this for my Dad, who doesn't really use a computer much. He has a Carrier Gas ... A: Cindy, First he is not blowing raw gas into the duct work, if he was, then when the furnace was ... | |
| American Standard Heat Pump sparking at T-Stat | 10/16/2010 |
| Q: I am diagnosing an American Standard heat pump that is from 1993. She said it worked great during ... A: Gabriel, Are you a tech? If so I will walk you through the process for this situation that you ... | |
| A/C Coil Replacement | 10/15/2010 |
| Q: I have a home warranty and the a/c person came out to fix a problem. They said the coil needed ... A: Shelly, You are getting scammed. Don't let them back to your home and ask for your money back ... | |
| singer air handeler: mod #bch 3220 | 10/12/2010 |
| Q: Sir, I have a singer air handler mod# BCH 322, serial # 8172395-C11-0053. Currently the system is ... A: Bryan, If Singer does not have a current strip heat package available for that Air Handler there ... | |
| RUUD Heat Pump | 10/12/2010 |
| Q: I have a 3 year-old RUUD Heat Pump, Model # UHSA-HM3617JA. The Condensor is Model #PNE-036JAZ. One ... A: Paul, there is a ledger on the inside of the door (panel) you remove to get to that board. It has ... | |
| leaking oil from york a/c | 10/11/2010 |
| Q: i was wondering if you could help me out my a/c unit York about 2-3 ton has been leaking freon and i ... A: Norman, That is not something that a home owner can fix, it will take a tech with the proper ... | |
| Sq.Ft. vs. Tonnage | 10/10/2010 |
| Q: What is the rule of thumb of the home vs. the a/c tonnage needed? Thanks for your time, Ed. A: Ed, There is no rule of thumb other than a blind guess. Tonnage is figured out by figuring the ... | |
| replacement filter | 10/10/2010 |
| Q: I've bought a house and I've found that the air handler unit of my heating/air system should have a ... A: Jennifer, All company's supply some kind of a filter, usually washable with a new Air Handler. ... | |
| heat pump | 10/8/2010 |
| Q: I have an outside heat pump. It is a heat and air combo. When the air is running and the compressor ... A: Paula, Ok, first are you sure that the fan switch on the thermostat is in the auto position, not ... | |
| question about my furnace | 10/7/2010 |
| Q: I have an American Standard freedom 80 single stage upright furnace. Yesterday the furnace just ... A: Matt, Unfold a paper clip and "rod" out the hole. DO NOT DROP THE CLIP INSIDE. If you do, you ... | |
| replacement | 10/7/2010 |
| Q: I live in Kansas, AC season lasts about 6 months, have a ranch house of 1780 SQFT, average pitch ... A: Anne, Goodman is what is known in the business as a contractors model. They are very cheaply made ... | |
| question about my furnace | 10/6/2010 |
| Q: I have an American Standard freedom 80 single stage upright furnace. Yesterday the furnace just ... A: Matt, Do the burners actually light? Is that what you are saying? If you have a pressure switch ... | |
| Hot Water Heater REPLACEMENT | 10/5/2010 |
| Q: I have a nine year old gas HW heater... I assume it is near it's end of life (?) Does it make ... A: Leonard, Gas tankless is way more efficient than a standing tank of water, they do not make ... | |
| heat pump | 10/4/2010 |
| Q: I have an outside heat pump. It is a heat and air combo. When the air is running and the compressor ... A: Paula, I need a better mental picture. The indoor "AIR HANDLER" has a "BLOWER" motor in it that ... | |
| Colman Furnace Model # DGAH077BBSA | 10/4/2010 |
| Q: About a month or so ago I started my furnace just to make sure there were no issues before it ... A: Jim, First the bright orange/red glow is the Hot Surface Ignitor and I don't think you actually ... | |
| base board heat units | 10/4/2010 |
| Q: Is it safe we have baseboard heat in each room. I notice that the unit was hot one evening but i did ... A: Shirley, You need to get someone out right away. It might just be a bad thermostat, but since ... | |
| dehumidifying indoor pool area | 10/4/2010 |
| Q: I'm adding a sunroom (19'x23') to my home that will contain an Endless Pool (7'x14'). The pool ... A: Nancy, That equipment is not designed to be a de-humidifier. It will handle humidity better than a ... | |
| a/c smells like gasoline | 10/4/2010 |
| Q: We are in a rental home and every time the a/c compressor kicks on I smell a very strong smell of ... A: Jean, There is nothing in an Air Conditioner Air Handler ( the indoor unit ) that smells like gas ... | |
| Residential heat and air not starting | 10/4/2010 |
| Q: I have an Armstrong Unit. Model # AHSA20A-1A. Ser-# 5597E95404. The unit stopped coming on at all. ... A: Ty, There is no DC voltage or device that you are looking for. There is line voltage and control ... | |
| comparing a/c models | 10/3/2010 |
| Q: 888 sq. ft. rental- Can you compare a 2 ton 12 SEER Frigidare condenser E54BD-224KA and air handler ... A: Kathy, Generally you can go by what was there before, unless your A/C died an early death due to ... | |
| camparing a/c models | 10/2/2010 |
| Q: 888 sq. ft. rental- Can you compare a 2 ton 12 SEER Frigidare condenser E54BD-224KA and air handler ... A: Kathy, Not sure what you are really asking. First of all, you cannot just put any tonnage on any ... | |
| Genaire air conditioner | 9/29/2010 |
| Q: Can you please advise where I can contact the company that makes Genaire air conditioners? There is ... A: Larry, I believe Genaire is just a company name not the type. What does the name plate say? ... | |
| Heating and Air Cond. | 9/28/2010 |
| Q: My gas heater and electric air cond are both in my attic. I noticed they are sitting on 3 boards ... A: Erie, Sorry this somehow went to spam file. All codes involving that are on a local basis, ... | |
| Drain pan full of water | 9/26/2010 |
| Q: We live in Florida and have a 2001 TraneAC/heat pump. The air handler is in the hot attic and sits ... A: Amy, First, why the water? The only way for it to get in the second pan is a backed up drain or ... | |
| Lennox Pulse furnace air valve | 9/24/2010 |
| Q: What is the required clearance on the air flapper valve on a G14Q3-60 Lennox Pulse furnace? A: Phil, There is a washer that fits inbetween the plates with the holes that is the clearance, if ... | |
| HVAC Residential | 9/23/2010 |
| Q: I have an older model Arcoaire furnace(1998) and AC unit. I notice water on the floor next to the ... A: Yes it is possible to just replace the pan on most coils. There are a few that have it welded to ... | |
| coil pin hole leaks | 9/22/2010 |
| Q: American standard unit around five years.this the third air handler coil going to be ... A: No, everything they are telling you is jiberish. If you are in fact loosing freon, find an HVAC ... | |
| coil pin hole leaks | 9/21/2010 |
| Q: American standard unit around five years.this the third air handler coil going to be ... A: Bobby, If you are saying 3 coils in 5 years yes I have an answer. If you have a leak it is not in ... | |
| Double Wide Heating/Vent Question | 9/21/2010 |
| Q: I own a double wide trailer. The vents lining both sides of the trailer blow out heat. However the 4 ... A: Sara, That is a supply duct just like the ones on the side, which is just a sheetmetal box that is ... | |
| hvac | 9/20/2010 |
| Q: I have a 20 year old york heat pump system and the air conditioning stopped working. The outside ... A: Tom, You need to cal a service tech out and look at it. You have 2 fault codes that indicate ... | |
| Furnace Fan Won't Shut Off | 9/20/2010 |
| Q: I have Trane XR90 furnace and A/C units (2 of each for 1st & 2nd floor) in my 30-month old house. I ... A: Brent, Thanks for ragging on me. And I hope for your sake that a limit is not tripped or a short ... | |
| central A/C | 9/20/2010 |
| Q: I have a central air unit that was just barely cooling. Everything sounded the same inside and out. ... A: Gail, Yes you need to get a tech out. That insulated copper pipe being warm and dry indicates ... | |
| AC company Can't find leak-want to reset lines | 9/20/2010 |
| Q: I just read your answer to Melissa from 8/2010 regarding the use of dye to find a leak. Today the ... A: Nancy, Bummer at 15 plus words per minute that took a WHILE. OK, First we will reverse the ... | |
| 410a system 3 ton goodman | 9/20/2010 |
| Q: what would cause the low side line to be very hot to touch?The compressor was slow to start,then the ... A: Matthew, What do you mean the low side was pegged? The low side gauge on R410a is more than 200 ... | |
| 410a system 3 ton goodman | 9/20/2010 |
| Q: what would cause the low side line to be very hot to touch?The compressor was slow to start,then the ... A: Matthew, Shut it off right away!!! It is either low on refrigerant or has a metering or flow ... | |
| Coleman Forced Air Heater | 9/19/2010 |
| Q: I have a mobile home with a Coleman central heat system. The heater is Model #7956-856 and works on ... A: Ed, No it is not supposed to get blown out. The pilot flame baths the end of the thermocouple in ... | |
| Blower won't shut off, mobile home furnace | 9/18/2010 |
| Q: From the previous question/answer session: The only thing remaining, for me, is the overall ... A: I thought you were describing a switch on the top panel of the furnace that is in the blower ... | |
| Coleman Forced Air Heater | 9/18/2010 |
| Q: I have a mobile home with a Coleman central heat system. The heater is Model #7956-856 and works on ... A: Its about time to pull the pilot assembly out and clean the oriface, replace the thermocouple and ... | |
| AC company Can't find leak-want to reset lines | 9/17/2010 |
| Q: I just read your answer to Melissa from 8/2010 regarding the use of dye to find a leak. Today the ... A: Nancy, The sub-cooling number is on the name plate for the outdoor unit. usually about 1/4 way ... | |
| Blower won't shut off, mobile home furnace | 9/15/2010 |
| Q: I'm working on an older Miller (20-30 years or more), down-flow, mobile home furnace. Standing ... A: That is called an aux. blower limit switch and it is usually there with a manual reset button in the ... | |
| Blower won't shut off, mobile home furnace | 9/15/2010 |
| Q: I'm working on an older Miller (20-30 years or more), down-flow, mobile home furnace. Standing ... A: The fan switch activates at 115 degrees and opens no later than 30 degrees below that. The Limit ... | |
| Residential AC Unit | 9/14/2010 |
| Q: This is a long one...my father who is 93 needed a new AC, he originally had a heat pump but when ... A: Claire, Yes your dad got taken. They should have replaced what he had with another heat pump. ... | |
| Blower won't shut off, mobile home furnace | 9/14/2010 |
| Q: I'm working on an older Miller (20-30 years or more), down-flow, mobile home furnace. Standing ... A: ducky...lol Ok where to start. First whenever you have a snap disc it is either a limit or fan ... | |
| Compressor capacitors | 9/13/2010 |
| Q: My a/c compressor dims the lights in the house when it starts. I have been told it is because the ... A: Jim, Really high odds that it is not the capacitor's, And if it is, the odds are even higher that ... | |
| Trane XB 80 Furnace Unit condensating tremendously | 9/11/2010 |
| Q: I have a two story house with dual AC system. Upstairs AC system is zoned to allow for extra cooling ... A: Jim, Water only goes into the pan under the duct work when there is a problem. Either you have a ... | |
| drain pipe confusion | 9/10/2010 |
| Q: Water constantly drips out of visible drain pipe to outside of house. Drain pan under and separate ... A: Jeff, The drain can go into your sewer, yes, but is in the norm to have it exit right at the ... | |
| drain pipe confusion | 9/10/2010 |
| Q: Water constantly drips out of visible drain pipe to outside of house. Drain pan under and separate ... A: Jeff, The "XTRA' drain pan that is not part of the equipment is for the situation that the drain ... | |
| Air unit shut off and wont start | 9/8/2010 |
| Q: Where is the reset button on a 2003 heat pump model number PH5536AKA, the unit just stopped. Willit ... A: Tara, Since you didn't tell me what kind of equipment ( Brand ) I cannot tell you for sure what ... | |
| heat pump won't start, intermittant | 9/7/2010 |
| Q: Goodman heat pump with oil backup, about 8 years old. I noticed the indoor fan running but no ... A: Alan, The vision Pro does have 3 aaa batteries, but they last forever. They are for keeping your ... | |
| heat pump won't start, intermittant | 9/6/2010 |
| Q: Goodman heat pump with oil backup, about 8 years old. I noticed the indoor fan running but no ... A: Alan, The first thing I would do is call that company, talk to the owner and get my money back as, ... | |
| Natural gas furnace | 9/5/2010 |
| Q: I have a 20 years old natural gas forsed air furnace with a Honeywell S86E pilot gas heating system. ... A: Cosmo, That is a very reliable control module, one of the best ever made. Two things could cause ... | |
| Heat Pump A/C leaking water out of bottom | 9/5/2010 |
| Q: I have a 24 year old Carrier unit that I maintain annually. I just noticed water seeping out of the ... A: Susan, there are 2 things that cause the indoor coil to freeze. One is air flow, the other is ... | |
| heat pump | 9/3/2010 |
| Q: this has to do with a Armstrong heat pump, model# PGE10B30D075A-2A,SERIAL 8400F10183, Its natural ... A: Shirley, The "mother board" as he called it? Is this the board in the furnace or the heat pump ... | |
| 2 speed Lennox condenser, fan partial fail | 9/2/2010 |
| Q: M#HS14-653V-6Y, S#5188K19865 I should have owner shoot it but he doesn't want to, 22 y/o unit. Fan ... A: Nick, What is it you are asking? What is the measured amp draw compared to the rated amp draw for ... | |
| New air compaired to old | 9/1/2010 |
| Q: I recently had a colman DGAA070BDTB furnace and a weather king (13 seer) outdoor central air in ... A: OK, I need to know this. Before 2 years ago and problems started did the old equipment cool your ... | |
| New air compaired to old | 9/1/2010 |
| Q: I recently had a colman DGAA070BDTB furnace and a weather king (13 seer) outdoor central air in ... A: Melissa, Right off the bat I question the ability of the people doing the work just from your ... | |
| Undersized system, poor duct work or both? | 8/13/2010 |
| Q: I have an issue with my HVAC system in my 11 year old home in Kansas City. It is a 2 story with a ... A: Michael, My suggestion was if you can increase the size of the duct work where you can get to it ... | |
| air-conditioner throwing breaker | 8/12/2010 |
| Q: Outside temps have been 95-100 for several days. The breaker for our air-conditioner started ... A: Jerry, If all the high voltage electrical connections have been checked, including the common and ... | |
| Undersized system, poor duct work or both? | 8/12/2010 |
| Q: I have an issue with my HVAC system in my 11 year old home in Kansas City. It is a 2 story with a ... A: Michael, I run across this all the time. It is unfortunate that when nice homes, such as yours ... | |
| Payne AC Unit | 8/11/2010 |
| Q: The fan in my AC Unit is not working if I start it manually it works it seems to me that the ... A: stephanice, turn off the breaker to the outdoor unit!!! You have a bad dual run capacitor and you ... | |
| A/C not Cooling | 8/10/2010 |
| Q: I had a 2.5 ton a/c unit installed last July and it worked fine until this summer. Now the tempeture ... A: John Borgman here. got this question from our question pool. IF the system is in fact running ... | |
| HVAC | 8/10/2010 |
| Q: I just had my hvac replaced. With my old unit, the condensation line was taken outside. When they ... A: Linda, Thank you for the positive feedback, it is my only reward for the hundreds of hours I give ... | |
| smaller capacitor installed | 8/9/2010 |
| Q: I recently had a service tech come out on a Sat morning to get a unit back online in 105 degree ... A: Wendy, He screwed up with the fan cap also. And the fact that it went to ground means the wiring ... | |
| smaller capacitor installed | 8/9/2010 |
| Q: I recently had a service tech come out on a Sat morning to get a unit back online in 105 degree ... A: Wendy, First...the dual capacitor that went bad was a dual and you said he replaced it with 2 ... | |
| Trane Fan/Compressor Not Working | 8/8/2010 |
| Q: I have a gas Trane central A/C unit, 4 units/zones in my house, and one unit/zone isn't working (the ... A: Rich, Pour some BLEACH in the pump well. How much depends on hot grimey it is. Then follow that ... | |
| Trane Fan/Compressor Not Working | 8/8/2010 |
| Q: I have a gas Trane central A/C unit, 4 units/zones in my house, and one unit/zone isn't working (the ... A: Rich, Ok now we are on the same page. With your background I assume you have a simple volt meter? ... | |
| Draft inducer motor pressure problem | 8/8/2010 |
| Q: I have a GSW direct vent water tank that has been operating flawlessly since installed new 2 yrs ... A: Tony, How much water was backed up into the inducer housing when you took it apart? If the drain ... | |
| Trane Fan/Compressor Not Working | 8/8/2010 |
| Q: I have a gas Trane central A/C unit, 4 units/zones in my house, and one unit/zone isn't working (the ... A: Rich, I am confused...You talk about Zones as if you are zoning the duct system air flow to 4 ... | |
| HVAC | 8/6/2010 |
| Q: I just had my hvac replaced. With my old unit, the condensation line was taken outside. When they ... A: Linda, Sounds like the installers were just too lazy to match up the existing pvc drain with the ... | |
| Payne heat pump | 8/5/2010 |
| Q: My heat pump was operating fine, then my wife got home the other evening and the unit had shut ... A: Charles, Because it stopped working so quickly, you can rule out the freon as the first suspects. ... | |
| HVAC not cooling | 8/5/2010 |
| Q: I have a two story Florida home built in 2001 with the original Bryant, split unit, gas furnace, 4.0 ... A: 275-400? do you mean it goes that high? No R22 unit should ever go that high. With 70 suction ( ... | |
| Indoor unit just clicks | 8/5/2010 |
| Q: I have a Lennox model G24M3/4-100A-2. When the a/c tries to turn on, one of the relays on the mother ... A: Matt, Using your meter....call for cooling from the thermostat with the fan in the auto mode. ... | |
| Carrier home a/c question | 8/4/2010 |
| Q: Live in southern Texas, home is roughly 2300 sqft, home A/C system is from Carrier installed when ... A: Glenn, You need a better tech. The expansion valve is behind the panel he never removed and the ... | |
| Vent Cover Direction | 8/4/2010 |
| Q: I am having a new air conditioning unit placed in my home. I had two people give me quotes. During ... A: Larecia, I don't know what old and new style refers to, but, a supply " register " has what is ... | |
| fluctuating suction | 8/3/2010 |
| Q: Have a 3 ton outdoor unit (Goodman) 9 years old that suddenly started putting out air that was not ... A: Lee, First the ambient air has nothing to do with suction pressure, that is a function of the ... | |
| can I use table fan with out electricity? | 8/3/2010 |
| Q: If suppose I don't have an electricity, can I use table fan with car battery or any other potable ... A: AD, Not sure about all the power sources in England, but here in the states, house fans are AC ( ... | |
| convert swamp coolers to hvac system | 8/3/2010 |
| Q: We have a 2944 sq. ft. house that is currently cooled by swamp coolers. We have 2 large coolers ... A: Cathy, If your gas furnace uses your duct system to heat your home then you can add AC onto it. ... | |
| Leak Test on central air | 8/2/2010 |
| Q: Simple question here (at least I hope it's simple!)...I tried searching online but can't seem to ... A: Melissa, I hope this answer gets to you before they put in the dye. DO NOT LET THEM PUT DYE IN. ... | |
| Mitsubishi Slit Zone | 8/2/2010 |
| Q: I have a 2 split zone system, 12000 BTU in the living room and 9000 BTU in the bedroom. We only use ... A: Ronald, The first thing you need to do is contact Mitsubishi and find a qualified service company ... | |
| Split system not cooling all the time | 8/1/2010 |
| Q: Mr. Borgman, I have a 14 year old 5 ton carrier unit model #38CKB060300. Three months ago the ... A: Darren, Nothing but red flags on your story. First if the compressor is shutting down from ... | |
| Janitrol Air Conditioner | 7/22/2010 |
| Q: Our ac unit stopped working, so we replaced the motor, capacitor and fuses. The unit will start and ... A: If the new fan motor is what is getting hot and shutting down, it sounds like you have the wrong ... | |
| Air conditioning not working | 7/21/2010 |
| Q: I have two air condition units one for first floor and other for second floor. When i switch on the ... A: I am another expert here and got this question from our question pool. First check the air filter ... | |
| Trane Heat Pump | 7/21/2010 |
| Q: I hope you can help me. I am a 70 yr old woman and know nothing about heat pumps or anything else ... A: Gwen, They are yanking your chain. Blower motors do not slow down. They either work or they ... | |
| HVAC not cooling | 7/20/2010 |
| Q: I have a two story Florida home built in 2001 with the original Bryant, split unit, gas furnace, 4.0 ... A: I got this question from our question pool, I am another expert here. What you are describing is ... | |
| TXV Problem - Trane | 7/20/2010 |
| Q: I had a service guy just come in to service my systems. He changed filters, did "tune up" and took ... A: Larry, You actually need more info than he gave you to make an decision on R410a systems, at least ... | |
| Return Air Ducts | 7/20/2010 |
| Q: I'm building a new home and the AC contractor located the return air duct about 2 feet away from the ... A: Tom, The return air should be in the hall as close to the thermostat as possible and away from ... | |
| residential a c | 7/18/2010 |
| Q: I have a 2 ton package unit.It was working fine.but now I cant get the liquid line to get hot.I have ... A: Archie, I got this from our question pool. If that is an r22 unit with a fixed metering device, ... | |
| central air | 7/18/2010 |
| Q: My mom just had a 3 ton air and heating unit installed with a 3 ton blower.My question is how much ... A: http://www.engineeringtoolbox.com/air-duct-calculator-d_813.html Here is a great link to calculate ... | |
| AC fan stops & starts often | 7/17/2010 |
| Q: I live in central Indiana in a house with a Goodman furnace. We noticed a problem today. The AC ... A: Kevin, The way to trouble shoot that is as follows. Remove the wires from the thermostat ... | |
| central air unit question | 7/16/2010 |
| Q: I have a question about lightening possibly striking a central air conditioning unit. The unit was ... A: Monica, You are correct. A lighting strike, consisting of a half a million volts will leave a ... | |
| drain lines | 7/16/2010 |
| Q: Some air handlers drains are being siphoned by the fan and leaking in ceiling preventing condensate ... A: Mark, First off if you find that kind of thing happening, it has to be due to being starved for ... | |
| hvac not cooling enough | 7/16/2010 |
| Q: my unit is at least 10 years old and has started to show it's age by not cooling as well as it did. ... A: Maro, If you have filters in the return air grills that is what I ment. Hopefully they removed ... | |
| Central air conditioner not turning on. | 7/16/2010 |
| Q: I have a 2001 Lincoln central air conditioner connected to Lennox electric air handler. The ... A: Jan, I just happen to be on line. Remove the thermostat from the wall, it should just "pop" off ... | |
| hvac not cooling enough | 7/15/2010 |
| Q: my unit is at least 10 years old and has started to show it's age by not cooling as well as it did. ... A: Maro, The first thing to check is your furnace filter. If it is clogged, you will get no cooling ... | |
| uneven air flow | 7/15/2010 |
| Q: I had a A/C-Heat unit installed two years ago. I have Five bedrooms. Two of the rooms were additions ... A: Maria, I agree with you. It sounds like either the duct system is poorly designed/installed or it ... | |
| AC not cooling sufficient | 7/7/2010 |
| Q: My upstairs AC system is not cooling well. Condenser fan and duct fan are working, filters are ... A: Thomas, The sight glass is on the LIQUID line and should be feeding nothing but liquid to the ... | |
| 2nd floor ac unit | 7/7/2010 |
| Q: I have a two story house with a full basement. Two Trane units installed. The larger unit ... A: Joe, Yes 2 suggestions. First verifying that the freon charge, fan speed, ect is correct. You ... | |
| How to determine ductwork runs | 7/6/2010 |
| Q: we live in an older home that has an existing Forced Air Heating and Cooling System. We are trying ... A: Andy, It is sad, but even most of the people in this field think the same way and air does not ... | |
| trying to get info | 7/6/2010 |
| Q: im a maintenance tech in kansas city, mo., and i had a job where the tech before me swapped out a 2 ... A: Deric, Hi, first want you to know that I give extra attention to tech's like you that want to ... | |
| RUUD Acheiver 10 not running | 7/5/2010 |
| Q: My home has a Ruud achiever 10 outdoor unit and an electric furnace inside, no manufacturer name on ... A: Matt, The red and black wire from the A/C unit outside are for the contactor which turns on the ... | |
| filter drier noise | 7/5/2010 |
| Q: I have an 18 month old Rheem/Ruud Achiever with the RCFL cooling coils. Whenever the AC starts, ... A: Darren, Very good description. It is not the filter drier as the material inside the drier is ... | |
| high indoor humidity with central ac question 2 | 7/5/2010 |
| Q: I live near tampa florida my ac was recently serviced. while now it seems to be cooling set at 74 ... A: Donna, I am sorry but I am just not understanding you. Your question says high humidity after the ... | |
| Blower fan in attic unit | 7/5/2010 |
| Q: Have “identical” zoned units in attic and downstairs. When temp in attic goes >90F unit blower fan ... A: Steve, Outdoor unit has NOTHING to do with the indoor fan operation. You say zoned, so I will ... | |
| high indoor humidity with central ac | 7/5/2010 |
| Q: I live near tampa florida my ac was recently serviced. while now it seems to be cooling set at 74 ... A: Donna, Was the A/C working before the service call? Was the humidity lower before the service ... | |
| air filter | 7/4/2010 |
| Q: my home has a kenmore power miser 80 gas furaces can you plaes tell me were on eath is the air ... A: Michael, All furnace have a factory slot for a filter, some installs use that filter and others ... | |
| Trane xe 900 | 7/3/2010 |
| Q: Have Hunter t-stat on xe 900. Have checked wiring, breaker, and put new batteries in t-stat. Will ... A: Wayne, If you have checked wiring and it is correct and you have 24 volts coming to the thermostat ... | |
| Heat pump not working when it's very hot | 6/29/2010 |
| Q: My 3 year old Lennox heat pump HXP15 needs service every summer when the weather is very hot. Now I ... A: Mai, If you mean they have to add freon every year, they never leak checked it when they installed ... | |
| capacitor location in A/C compressor | 6/29/2010 |
| Q: Mr. Borgman, Maybe you can help me understand my options here: ... HVAC = Bryant 376CAV036055 ... A: Paul, The overheating of the fan has nothing to do with the freon. The outdoor fan motor doesn't ... | |
| a-coil | 6/26/2010 |
| Q: was told by HVAC company that the a-coil in my mobile home's AC unit is leaking and needs replaced. ... A: Mike, That is way too high! Should be around 800 bucks, unless your outdoor unit does not have ... | |
| A/C Condensor Fan hums when off | 6/26/2010 |
| Q: My a/c is cold and works fine until it is shut off. When it turns off the fan motor hums outside. I ... A: Tim, If you are absolutely sure it is the motor, then no it is not the motor as that motor should ... | |
| Ac not cooling very well | 6/25/2010 |
| Q: we recently moved to our new house and turn on the AC when the summer starts. Though the AC runs ... A: Tadios, How long ago was the tech there? Did you pay for a service call? If so and he said that ... | |
| Heat pump thermastat | 6/25/2010 |
| Q: What thermostat would I use that would monitor the outdoor temperature and switch off the heat pump ... A: Don, I gave you the answer and solution to what you would like your heat pump to do. As they do ... | |
| AC HELP ASAP | 6/25/2010 |
| Q: I moved into a 1985 mobile home 1800 sq. ft late last summer. I had the ac unit serviced and it ... A: Quentin, First you should check your air filter, it needs to be clean for the A/C to work. What ... | |
| AC Selection | 6/23/2010 |
| Q: I was left completely confused after getting a couple of quotes from reputable installers. When ... A: Stan, I can tell you right now that neither company should be installing a " zoned " system, for ... | |
| A/C | 6/23/2010 |
| Q: My home A/C was working yesterday but I noticed it was getting warmer, and today it turned hot and ... A: First thing you need to do is pull your air filter out, it is clogged solid. When you do, if it ... | |
| air cnditioning not coming on | 6/23/2010 |
| Q: Could it be a thermostat problem if when we turn the air on the compressor will come on but the ... A: Sharon, Yes it could be, or other things. What kind of equipment do you have? Gas/oil/electric ... | |
| Condensation on central air unit. | 6/23/2010 |
| Q: I have energy efficient home, ridge vent roof, foil on rafters, insulation every wall, and roof. ... A: Tim, "I did all this to have lower utility bills but i am having larger ones with more efficient ... | |
| Blocking basement AC Vents? | 6/23/2010 |
| Q: I have a three story townhouse with central air. When it is running the basement is very cold, the ... A: Kevin, No it wouldn't. Think about it like this. You have a very large straw in your mouth ... | |
| air on gas pack | 6/23/2010 |
| Q: okay , lets see if you can help . I have a Goodman Gas pack model # GPG12360901A 12 seer 3 ton unit ... A: Donna, Just a coincidence that we had a company here in Portland called 4 seasons that did poor ... | |
| air on gas pack | 6/23/2010 |
| Q: okay , lets see if you can help . I have a Goodman Gas pack model # GPG12360901A 12 seer 3 ton unit ... A: Donna, Yes you would have trouble in heating also for the same reason. The pictures would help, ... | |
| Blocking basement AC Vents? | 6/23/2010 |
| Q: I have a three story townhouse with central air. When it is running the basement is very cold, the ... A: Kevin, The problem you have is common and not an easy fix. You cannot shut down the basement ... | |
| Changing Heat Pump Thermostat from a Janitrol HPT18-60 to a LUX TX9100E | 6/22/2010 |
| Q: I have a heat pump with emergency heat, Goodman PHK024-1. Replacing Janitrol thermostat with LUX ... A: Paul, The heat pump gets its signal to turn on both for heating and cooling through the yellow ... | |
| air on gas pack | 6/22/2010 |
| Q: okay , lets see if you can help . I have a Goodman Gas pack model # GPG12360901A 12 seer 3 ton unit ... A: Donna, Yes, I can tell you the problem. It is air flow. Just because they added a return they ... | |
| hvac | 6/22/2010 |
| Q: Refrierant cannot be recovered without isolating a parallel compresor system because of what? A: Greg, Hi, I don't answer private questions. I try and help as many as I can, so I do everything ... | |
| McQuay Water Source Heat Pump fan blower shuts off | 6/7/2010 |
| Q: I read one of your previous responses and your vast exerience and thought maybe you could help me. I ... A: Marc, I see you have a volt/ohm meter, you will also need an amp meter or amp probe that hooks to ... | |
| HEPA filter | 6/7/2010 |
| Q: I am doing an addition/remodel to my house, including installing a new HVAC system (furnace and ... A: Linda, First did you not read what category you are asking questions in? I am an expert in HVAC, ... | |
| air handler leaking | 6/7/2010 |
| Q: I checked drain %26 coils, no frost on coil or blockage/tilt in drain pan. Coil condensing/cooling ... A: Thomas, I am not following your description of where the water is actually leaking. If you are ... | |
| heat pump | 6/7/2010 |
| Q: We live in Clarksville, Tn, 60 miles north of Nashville. Summer temperatures are usually in the ... A: Amy, Howdy. Well, this is a little more involved than I usually take, as I volunteer all of my ... | |
| Rheem split hp 13 seer bad contactor.... | 6/6/2010 |
| Q: Reply... I had system worked on because condenser would not shut off. That was the first time. They ... A: Michael, Either the tech just made those numbers up or his test equipment is off. By those ... | |
| central air conditioning outside condenser | 6/6/2010 |
| Q: I do not know much about ac/heating, so I will be as detailed as possible. I do not know if the ... A: Shirley, Here is what you can do on your own. Turn the breaker to the outdoor unit off at the ... | |
| HEPA filter | 6/6/2010 |
| Q: I am doing an addition/remodel to my house, including installing a new HVAC system (furnace and ... A: Linda, The function of a HEPA type filter is to remove air born particulates to a very low micron ... | |
| Attic Drip Pan - How to clean ? | 6/5/2010 |
| Q: It appears that the condensation drain pipe attached to the attic unit maybe clogged. Fortunately, ... A: Brian, Most likely either it is partly cloged on the main drain, or those 2 outlets have one ... | |
| air handler leaking | 6/5/2010 |
| Q: Need to look at my brother's customer air handler, front filter radco about 10 yrs old, 2 ton. I am ... A: Tom, If the drain (pvc) is clogged or the coil pan is pitched the wrong way it will leak. If the ... | |
| Attic Drip Pan - How to clean ? | 6/5/2010 |
| Q: It appears that the condensation drain pipe attached to the attic unit maybe clogged. Fortunately, ... A: Brian, I am an advocate for running the secondary drain line out over the front door of the home, ... | |
| Attic Drip Pan - How to clean ? | 6/5/2010 |
| Q: It appears that the condensation drain pipe attached to the attic unit maybe clogged. Fortunately, ... A: Brian, drill a hole in the elbow at the top of the trap, right at the easiest place to get to. ... | |
| a/c Blower Speed | 6/4/2010 |
| Q: Good day sir, I have a ducane split air system Outside Model-ac12b36 and inside model-MPGA075B4A. ... A: Ian, It was good to have a tech out, unfortunately the tech was not very good. An indoor drop of ... | |
| central air conditioning outside condenser | 6/4/2010 |
| Q: I do not know much about ac/heating, so I will be as detailed as possible. I do not know if the ... A: Shirley, Lets hope you did not destroy the outdoor unit. No matter what happens, outdoor units ... | |
| Heat pumps | 6/4/2010 |
| Q: I Have the following bids from contractors to replace heat pump and furnace. I live near ... A: Stephen, If all you find are bad reviews, that answer is easy. Do not use them, keep looking. ... | |
| Goodman Heatpump - A/C Problem after a Power Outage | 6/3/2010 |
| Q: We have a Goodman heatpump that is 18 months old and recently our power flickered (off for 3 to 5 ... A: Shell, So, you checked the fuses at the disconnect box next to the outdoor unit ? And you got 220 ... | |
| Maintenance | 6/3/2010 |
| Q: I have a 5 year old Carrier Puron central air system with two zones: one 2 ton and one 2.5 ton. I ... A: Dave, You should have had them looked at at 3,6 and 9 for the first decade, that is all they need ... | |
| American Standard Freedom 80 Furnace | 6/3/2010 |
| Q: My furnace is an American Standard freedom 80. I had problems twice with the igniter over two months ... A: On the inside of the furnace door where the blower motor is and you see the LED flashing, you will ... | |
| outside fan | 6/3/2010 |
| Q: why does my fan on my york stellar aircondition stays on after t-stat shuts down inside? ANSWER: ... A: T%hank you, will be sure to never try and give you FREE help again. It's too bad your command of ... | |
| Rheem condenser bad contactor?! | 6/2/2010 |
| Q: Service guy replaced it last year system worked for 5 months and just went out again. Replaced ... A: Michael, I would still be interested in the data I requested, if you would like to know if it is ... | |
| Humidity and air returns | 6/2/2010 |
| Q: I hate to reveal how stupid we are but...to make it short, an hvac guy told us once that our returns ... A: Denise, If the hole from downstairs makes it upstairs with nothing obstructing it, and the ... | |
| HVAC | 6/2/2010 |
| Q: I have a leak from my Bryant system. My HVAC unit is in the attic, there is a secondary/auxiliary ... A: Joe, Auxillary means you have a problem and this second line of defense before you ruin the ... | |
| Bryant air cond. compressor | 6/1/2010 |
| Q: When I turn my residential air Bryant air cond. on the fan on the compressor kicks on then the ... A: Dan, You have either an under or over charged refrigant system, a restriction in the refrigerant ... | |
| a/c Blower Speed | 6/1/2010 |
| Q: Good day sir, I have a ducane split air system Outside Model-ac12b36 and inside model-MPGA075B4A. ... A: Ian, We don't have Ducane out here, but they are basically a York unit. If that blower assembly ... | |
| amana hvac reverse relay | 5/31/2010 |
| Q: on our roof top ac unit it blows hot in winter and then the repair guy comes out in summer and ... A: Don, Without knowing more than that, it sounds like, you don't have enough "good condition" ... | |
| AC filter-Clarified | 5/31/2010 |
| Q: I previously may have asked you a question about our A/C filter. This is a clarification of my ... A: David, All modern furnaces have a factory filter rack inside the blower assembly of the furnace. ... | |
| Load calculations and install on HVAC units | 5/30/2010 |
| Q: I'm shocked and disappointed by the reviews I've read of ALL brands of HVACs. So I guess I better ... A: Christina, A manual J load calculation can be done by you with the purchase of a $240 manual and ... | |
| American Standard Freedom 80 Furnace | 5/30/2010 |
| Q: My furnace is an American Standard freedom 80. I had problems twice with the igniter over two months ... A: Santhosh, The reason for the blower running continuously is a lockout due to several failed ... | |
| Trane xl1400 troubleshooting | 5/16/2010 |
| Q: I have a Trane XL1400 gas pack with 2 stage gas. The unit LED calls for heat (and it does try to ... A: Doug, Not knowing the whole story sounds like some low voltage wires are touching. With he power ... | |
| short-cycle | 5/16/2010 |
| Q: 2yr. old 2 and half ton, 13 sear heil unit. Just replaced expansion valve on indoor unit one week ... A: Rick, Are you working on it or the owner? If you are in the cooling mode and the unit is short ... | |
| blank thermostat | 5/16/2010 |
| Q: My thermostat went blank from a power surge. The storm was yesterday. My thermostat worked ... A: Mike, That means you have lost power to the thermostat. First thing to check is the breaker in ... | |
| replacement of builder's quality ac and/or furnace | 5/15/2010 |
| Q: My home is 1700 sq ft. I live in Houston, Texas. My home was built in 2002. I recently discovered ... A: Trish, I didn't say that only Trane is good, it is in my opinion the best equipment on the market, ... | |
| Replace HVAC or wait? Probable cost? Equipment recommendation | 5/13/2010 |
| Q: My current Day-Night HVAC system is a split unit -- 5 ton AC (installed outdoors in 1992) and ... A: Andy If you are a position to afford replaement, yes, I would do it now while all the incentives ... | |
| Trane XL1400 Weathertron Heat Pump | 5/13/2010 |
| Q: Our heat pump in the backyard recently started making a strange noise. We had a repair man come out ... A: Warren, First I would get another company and ask for N.A.T.E certified tech's. Second I would ... | |
| crankcase heater | 5/13/2010 |
| Q: is there a way to ohm it out and what should it read and a good explanation of operation thank you A: Rob, The crankcase heater will read infinity on an ohm meter. If it reads any number other than ... | |
| Carrier 50YQ capacitor size... | 5/12/2010 |
| Q: 1983 Carrier Packaged Heat Pump Mdl 50YQ030300... What is the correct size of the Dual Run ... A: Jeff, You do not want to run a permanent split capacitor motor with a run cap that is the wrong ... | |
| best home air conditioning system Florida | 5/11/2010 |
| Q: We have to replace our Rudd system and have been getting extimates. A few have recommended ... A: D, Truthfully Lennox is a little over priced compared to Trane equipment, but as a rule is some of ... | |
| best home air conditioning system Florida | 5/11/2010 |
| Q: We have to replace our Rudd system and have been getting extimates. A few have recommended ... A: I cannot go through your bids with you and I also do not do private help. I volunteer my time to ... | |
| replacing motor start capacitor with different type | 5/11/2010 |
| Q: i replaced the condenser fan motor with a universal replacement that came with a two terminal ... A: Alvin, You need to buy a replacement " duel " run cap that has the same mfd rating for the ... | |
| Fan blowing, nothing else works | 5/11/2010 |
| Q: I have a central heating/ac unit, Trane. When I set it to heat, nothing. When I set it to cool, ... A: Shanna, Yes it is. You never said what kind of equipment you have? How long are you going to ... | |
| Fan blowing, nothing else works | 5/10/2010 |
| Q: I have a central heating/ac unit, Trane. When I set it to heat, nothing. When I set it to cool, ... A: Shanna, Is this a heat pump? Gas heat and electric A/C? Actually either way it has to be the ... | |
| best home air conditioning system Florida | 5/10/2010 |
| Q: We have to replace our Rudd system and have been getting extimates. A few have recommended ... A: D, If you want the best for the money it would be a Trane. That is what I put in even my parents ... | |
| Rheem Air Handler Problem | 5/6/2010 |
| Q: I've got a Rheem RHSA-HM1817JA 240vac Air Handler in my house that isn't working. This unit is only ... A: David, Unless you have a volt/ohm meter, this is what we can do. Get a couple of those fuses. ... | |
| backwards LL filter drier | 3/27/2010 |
| Q: hi I was soldering in a new 13 seer 3ton R-22 AC last week and after i had already pulled vaccum and ... A: Phillip, Yes you will have to change it and unfortunately you will also loose most of those ... | |
| Lennox blower | 3/27/2010 |
| Q: I have a Lennox furnace with a Honeywell Auto/Manual control box...problem is the fan won't go to ... A: Janice, Are you describing a control with a white shaft that protrudes out the front of a ... | |
| set up a new thermostat Honeywell TH8110U1003 | 3/24/2010 |
| Q: Replacing a Climate technology Model 43054 with a Honeywell TH8110U1003. I have a blue, green, white ... A: Max, Not knowing the type of system this is on I can only go by the colors you gave and hope that ... | |
| Lennox Pulse Limit Switch | 3/5/2010 |
| Q: Please Help : ) I have a Lennox Pulse Furnace that is pretty old. I don't know if this helps, but ... A: Jennifer, I don't know what b/c means? The flapper is under a 1/2" thick piece or steel in a ... | |
| high pitched hum in attic | 3/4/2010 |
| Q: We (live in NJ) have 2 Trane heat pump units outside (AC & Heat), one zone upstairs and one zone ... A: Elaine, Are you talking about the air handler for the heat pump? Is the noise coming through the ... | |
| Oven temperature | 3/4/2010 |
| Q: We have opened New aluminium Air grilles business. We are facing problem with the OVEN. The ... A: Mohammed, Gonna need more info to help you. What is the oven supposed to run at? Minimum and ... | |
| NEw AC broken | 3/3/2010 |
| Q: Last week a company changed my old 10 seer residential AC to a new 16 seer trane but a day later we ... A: Mary, Where exactly was it leaking the oil and gas? Are you saying the used the old line set from ... | |
| Lennox Pulse Limit Switch | 3/2/2010 |
| Q: Please Help : ) I have a Lennox Pulse Furnace that is pretty old. I don't know if this helps, but ... A: Jennifer, If you have not had it serviced in a long time, you need to. There is a "flapper ... | |
| txv | 3/1/2010 |
| Q: what will happen whent the sensing valve of your txv got disconnectedand hung loose? A: Mike, It will not sense the temperature at the end of the evaporator coil. Without being able to ... | |
| Heat pump defrost time? | 2/28/2010 |
| Q: I live in an Indianapolis suburb... My heat pump's defrost cycle is set at 30 minutes. My other ... A: Brett, The longer time is for mild weather where it rarely goes into defrost. In colder climate, ... | |
| not hot heat. | 2/28/2010 |
| Q: model: n2ahd14a06a york heater problem:electric backup on a heat pump,electric only on,blows cold ... A: Lad, I am un clear with your description, but if you are saying that on emergency heat you get ... | |
| Compressor problems | 2/27/2010 |
| Q: The compressor is not running but is hot to the touch. I tested motor windings. C to S and C to R ... A: Robert, The first thing you have to do is cool the compressor down with the power off to the unit. ... | |
| Vents | 2/27/2010 |
| Q: we just moved into our single / split level house about 6 months ago.. We are re-doing our bedrooms ... A: Mike, I am not sure what you are saying, either a typo or ??? What is %26 mean? What do you mean ... | |
| Gas furnace. cool heat | 2/27/2010 |
| Q: I have a Trane XR90 furnace that, since the day it was installed, blows nothing but cool air. I ... A: Rick, In that case, how about this. Find the certified techs as stated and tell him/her when they ... | |
| ignitor/ sensor | 2/25/2010 |
| Q: The instruction book for my Rheem gas furnace says that the hot surface ignitor also serves as the ... A: Donald, Rheem/Ruud uses the white common wire as a resistance reading back to the board for that. ... | |
| RUUD 90 runs continuously | 2/24/2010 |
| Q: I have a RUUD 90 gas furnace installed around 1990. The ignitor was replaced two years ago. I ... A: Ron, Either one of the limits is open ( that is why fan runs, too cool it down or that some ... | |
| Air Conditioning in Attic | 2/23/2010 |
| Q: When we purchased our single family home four years ago we only had one AC unit in the house. About ... A: Mike, Yes an attic fan should have been the first thing you tried. At 95 degrees it can reach ... | |
| Bryant Heat pump ( Evolution controls) | 2/22/2010 |
| Q: First a few technical items, Heat pump Bryant 288ANA036 Fan coil FV4BNF005, T stat SYSTXBUID01 ... A: Herbert, As far as problem 1 I have never seen that, but it should not cause a problem with the ... | |
| Water coming from furnace | 2/22/2010 |
| Q: I have a Quatro True Blue 90 furnace in my garage, it works fine except when its running, water ... A: Richard, Those high efficiency units make water and it runs out through a pvc drain. So either ... | |
| Heat pump | 2/21/2010 |
| Q: We’re in Florida and have had this heat pump for the last 10 years and it has worked great, but last ... A: Nancy, With the high side bleeding to the low there is no physical way to charge the unit ... | |
| Heat pump | 2/21/2010 |
| Q: We’re in Florida and have had this heat pump for the last 10 years and it has worked great, but last ... A: Nancy, I can only go by what you have written and that the measurements of the techs that were ... | |
| nordyne gas furnace/air condition model GR4GA-024K072C | 2/18/2010 |
| Q: Flame will not come on. Inducer motor starts,new ignitor glows fine,gas valve clicks but flame ... A: John, You are correct about where you are looking. Everything else in the furnace has to work ... | |
| furnace lighting problem | 2/17/2010 |
| Q: I have a Trane XE90 and all of a sudden it doesn't alway light it will only blow cold air. If I ... A: Marty, With no more info than that all I can tell you is that one of the safeties is failing. If ... | |
| heil furnace wont fire | 2/17/2010 |
| Q: i have a heil natural gas furnace that wont fire when its set low at night i have to reset the ... A: Daniel, So, you are a tech? Do, you mean when you turn it back up in the morning it will not ... | |
| Furnace Ruining Controller Boards | 2/17/2010 |
| Q: About two weeks ago my furnace stopped working (Goodman GMP075, circa 1993). I opened it up and saw ... A: Forrest, Yes, it could be the inducer motor itself. An amp draw should be taken and compared to ... | |
| duct work | 2/16/2010 |
| Q: I just installed a new 4 ton rheem hvac system in my home. Heat is electric. Air handler is rated ... A: Angela, Never close down dampers to " adjust " air flow. It is a common mistake made by many, ... | |
| emergency heat | 2/16/2010 |
| Q: Ihave a heat pump.I was told that because my heat pump has been off this winter I need to first run ... A: Brian, What are you calling off. First a heat pump has a crankcase heater, around the compressor ... | |
| Whirlpool electric heat/old unit no heat pump | 2/16/2010 |
| Q: INSTALLED NEW THERMOSTATS / FAN RELAY/ WORKED FINE FOR ABOUT TWO WEEKS. NO HEAT. THE ELEMENT IS NOT ... A: Roy, To check the elements ( they are called strips ) you need an ohm meter. As you look at each ... | |
| My fridge | 2/16/2010 |
| Q: John, first off what company do you work for? Are you in the Portland area? I am a residential ... A: Marshall, I live in Milwaukie and currently work for Smiths heating out of Oregon City. I have no ... | |
| Bryant thermostat | 2/15/2010 |
| Q: I have a 12 year old TRANE air conditioner model XL 1200, TTX018-060C. The thermostat is a BRYANT ... A: Ron, Some thermostats have a 2 to 3 degree adjustment, but none that I know of have that kind of ... | |
| Heil gas furnace erratic functioning | 2/15/2010 |
| Q: My HEIL gas furnace would not respond to call for heat. Tech came out and took sandpaper to ... A: David, Wow, I am in shock. Tell me what the first service ticket says and what were you charged ... | |
| Hi-efficiency PVC flue condensation shuts down furnace | 2/14/2010 |
| Q: I have a hi-efficiency Goodman furnace/AC unit installed two years ago. Last week, the furnace ... A: Craig, It is a condensing gas furnace and is called that because it does condense water in the ... | |
| Maintenance | 2/14/2010 |
| Q: I have an apartment complex with 64 split units in Florida. It seems that these units are going bad ... A: Bob, 5 to 10 years old should not be having that many problems. What brand are they and what ... | |
| Lennox G26 Furnace (Heat Pump with propane backup) | 2/13/2010 |
| Q: I have a Lennox G26 Furnace which uses propane as the secondary heat source when heating with the ... A: Lenny, There are only two things that could most likely cause that under the circumstances you ... | |
| noisy in heat mode Amana ASZ160361 | 2/13/2010 |
| Q: Bought an Amana heat pump system 16-seer model ASZ160361 in May 2009. Ran fine in summer (in ... A: Donna, All that changing the setting on the outdoor thermostat did was change the temperature that ... | |
| furnace problem | 2/13/2010 |
| Q: Nordyne model G6RC 100C-16B Possiblly 3-4 years old.Last year I had to replace the heat ... A: Mike, First why a heat exchanger on a 4 year old unit? There is no possible way it could have ... | |
| noisy in heat mode Amana ASZ160361 | 2/12/2010 |
| Q: Bought an Amana heat pump system 16-seer model ASZ160361 in May 2009. Ran fine in summer (in ... A: Donna, I would venture to say it is nothing more than the solonoid on the reversing valve. Call ... | |
| AC/heating fan turning itself on and off | 2/12/2010 |
| Q: I've recently bought a brands new home,and I've been using the AC/heating system quite often. ... A: I will need a lot more info than that to try and help you. What kind and model of equipment do ... | |
| Freedom 90 American Standard Furnace | 2/12/2010 |
| Q: Sir, I have a model #AUX100C948B4, SN M394J505G furnace that has what appears to be a pressure ... A: Paul, It is possible the switch is bad, but it is rare. The only way to check that switch is with ... | |
| HELP PLEASE | 2/12/2010 |
| Q: Our gas furnace has stopped working suddenly. The blower went out a few weeks ago and we had the ... A: Sarah, You had the starter replaced? Do you mean the run capacitor? If you turn the fan switch ... | |
| furnace #ff79 | 2/11/2010 |
| Q: I have gone all thought my house tring to find a electric cutoff switch for the furnac with no ... A: Shaun, The furnace itself does not have one, but is common for a light switch to be installed on ... | |
| HVAC not clicking on... | 2/11/2010 |
| Q: this has happened for both settings - on cool and on heat... The system detects the need to turn ... A: Denise, Do you have a heat pump or gas with A/C? Does the blower turn on and blow air through the ... | |
| Evaporator Coil Replacement | 2/10/2010 |
| Q: I am in the process of buying a 2,200 sq ft home and I just had a separate HVAC inspection since the ... A: Lynn, In that case, I would suspect a dirty coil is the only problem and because it was cobbled ... | |
| Faulty Heat Pump | 2/10/2010 |
| Q: We had a new Carrier HVAC system(model:FB4ANF030) installed in 2002 and have had numerous problems. ... A: Floyd, I see all kind of red flags with this company. First they say you need a new coil, now ... | |
| Evaporator Coil Replacement | 2/10/2010 |
| Q: I am in the process of buying a 2,200 sq ft home and I just had a separate HVAC inspection since the ... A: Lynn, What you have sent me a picture of is the auxiliary drain pan with the auxiliary float switch. ... | |
| defrost cycle | 2/10/2010 |
| Q: I have a heat pump. The indoor unit is Bryant 517EN030 with electric aux heat. I have noticed that ... A: Giles, First the tech was either pulling your leg or too lazy to do the job, because that strip ... | |
| Heil furnace | 2/10/2010 |
| Q: This is pertaining to the Heil furnace that wouldn't stay lit. Do i need to replace the flame ... A: Alex, The flame sensor is located on either the right or left end burner. It has a single wire ... | |
| Amana furnace flame inside burner | 2/10/2010 |
| Q: Amana GUX045B30A S/N 9202206878 MFR P1119801F 2 questions #1) (easy) - this is a 90% furnace. Should ... A: By the way, the burners are called inshot and the burner blower as you call it is an inducer motor ... | |
| Amana furnace flame inside burner | 2/9/2010 |
| Q: Amana GUX045B30A S/N 9202206878 MFR P1119801F 2 questions #1) (easy) - this is a 90% furnace. Should ... A: Steve, Flames backing up into the burners? That is where it is supposed to be. If this is the ... | |
| Evaporator Coil Replacement | 2/9/2010 |
| Q: I am in the process of buying a 2,200 sq ft home and I just had a separate HVAC inspection since the ... A: That sounds a little high, but it depends. It is high if there are steps, a wooden floor, light and ... | |
| TempStar Heating/AC | 2/9/2010 |
| Q: Thermostat won't turn on system Heating or AC. Have power to Air Handler and Compressor. 220VAC. ... A: Ted, If you have a meter and that is how you are checking voltage. Turn off the power, pull the 2 ... | |
| Heil Furnace | 2/9/2010 |
| Q: I have an older Heil furnace, a 1993 i believe. The spark ignites a flame, but only for a second, ... A: Alex, There is a flame sensor rod that sends a signal back to the controls that keeps the flame ... | |
| Upflow Heat Furnace | 2/9/2010 |
| Q: I have a York Upflow Heat Furnace (model GY9S080C16UP11). It is working fine except that the ... A: Dennis, That is called a condensing gas furnace as it condenses water in the flue pipe as a result ... | |
| Heat pump smelly air on heat | 2/9/2010 |
| Q: I have a Trane air handler in the attic that is four years old. When the heating coils come on I am ... A: Perry, Yes it is debris that gas accumulated on the coils. They are not unlike the coils in an ... | |
| leak | 2/9/2010 |
| Q: I have a Goodman furnace 80.0 efficient rating. It was installed in May of 2009 before i bought the ... A: Nick, Asbestos? That was outlawed years ago. Are you seeing galvanized pipe that has some type ... | |
| Freedom 90 American Standard Furnace | 2/8/2010 |
| Q: Sir, I have a model #AUX100C948B4, SN M394J505G furnace that has what appears to be a pressure ... A: Paul, The pvc water trap where the water runs through a rubber hose to it off the heat exchanger ... | |
| "Leaking" from Furnace Vent (type B) at joint in cold attic | 2/7/2010 |
| Q: Everything works well except I was in my attic and noticed a white residue on the vent pipe that ... A: Cary, Correct, you do not want to be taping those joints and that would not change anything as it ... | |
| Lennox Furnace | 2/7/2010 |
| Q: Lennox furnace model G20 damper door doesn't open all the way , i have to give it a slight push down ... A: Robert, First let me caution you that if you " force " that door you can damage that motor and they ... | |
| Furnace cycles on and off when it calls for heat | 2/7/2010 |
| Q: I am a residential customer, my furnace is an American Standard Freedom 80 (Model # AUD080R9V3H4) ... A: James, No that is not normal, it should complete the whole cycle until the desired temperature is ... | |
| Faulty Heat Pump | 2/7/2010 |
| Q: We had a new Carrier HVAC system(model:FB4ANF030) installed in 2002 and have had numerous problems. ... A: So, you have never been given a bill or paid anything? until now? I still do not know what you are ... | |
| breaker tripping | 2/7/2010 |
| Q: I have a five ton trane unit and when I turned it on to heat the house the lights inside began to ... A: Jim, The breaker that is tripping is for the heat pump. That means that something in the outdoor ... | |
| Faulty Heat Pump | 2/6/2010 |
| Q: We had a new Carrier HVAC system(model:FB4ANF030) installed in 2002 and have had numerous problems. ... A: Floyd, I need some clarification on some of what you said to better answer this question. What ... | |
| philco furnace won't ignite | 2/6/2010 |
| Q: we are getting an 4- error code on our furnace...it will not ignite. in snow storm and snow has ... A: Brian, If by " good glow on ignite" you mean that the Hot Surface Ignitor goes through the cycle ... | |
| Replacement A/C unit | 2/6/2010 |
| Q: I read a recent answer you gave to a customer about replacing the copper lines "MUST" be changed. ... A: Jose, No the tubing can be run up the exterior wall and then covered with a sheet metal or some ... | |
| R10 change from r22 fro a/c's | 2/5/2010 |
| Q: Our warranty company has asked us to pay an additional premium for coverage of any problems with ... A: Patty, The Montreal protocol was put into effect a decade ago and the clean air act right behind ... | |
| HVAC locking down | 2/5/2010 |
| Q: My 10 year old Amana HVAC stops working in the middle of the night during extreme winter conditions ... A: Bhuwan, There are a lot of factors including, location and mounting of equipment, quality and type ... | |
| ruud silhouette ii | 2/5/2010 |
| Q: My blower won't stop blowing. I have to unplug the unit or remove the cover to cut it off. What's ... A: Greg, OK, what did you find to get it to work that far? The main limit? Are you saying that the ... | |
| Carrier furnace intermittently locks out | 2/5/2010 |
| Q: Problems with a 19 year old Carrier 58SXA060 high efficiency furnace. Two years ago it began locking ... A: Denny, Again I am with you as far as confidence. He said " bouncing" ? What the heck is ... | |
| ruud silhouette ii | 2/5/2010 |
| Q: My blower won't stop blowing. I have to unplug the unit or remove the cover to cut it off. What's ... A: Greg, You have an open limit switch, probably the main limit which is just above the burners on ... | |
| Draft inducer | 2/4/2010 |
| Q: We have a Goodman Model#GMNT060-3B from 1999. It is making a rattling noise whenever it goes on. I ... A: Jeanette, The draft inducer is the first motor to start up on a call for heat. It is right above ... | |
| Carrier furnace intermittently locks out | 2/4/2010 |
| Q: Problems with a 19 year old Carrier 58SXA060 high efficiency furnace. Two years ago it began locking ... A: Denny, It is not the gas valve they do not fail very often. When you say the pilot assembly do you ... | |
| Heat Pump Emergency Heat | 2/4/2010 |
| Q: John, I am trying to understand the logic of the Emergency heat circuit. If I get a 240V reading ... A: Joe, No. If you put your probes on the 2 lines coming to the breaker you will read 240 even with ... | |
| Heat Pump Emergency Heat not working | 2/4/2010 |
| Q: Emergency Heat not working. Thermostat calling for heat, emergency heat switch on, red light on. Air ... A: Joe, It tells you, that there is 120 volts to each side of the strip connection, but does not tell ... | |
| Heat Pump Emergency Heat not working | 2/4/2010 |
| Q: Emergency Heat not working. Thermostat calling for heat, emergency heat switch on, red light on. Air ... A: Joe, First you should be getting at least 75 not 72 on the pump, so, dirty filter low charge, ... | |
| central heat / thermostat | 2/4/2010 |
| Q: My heater got stuck on recently. I switched the digital thermostat to off -- didn't work. I tried ... A: Scott, John borgman here, got this from our question pool. Pulling the tstat from the wall and it ... | |
| Best H/AC Unit | 2/4/2010 |
| Q: I currently have an electric Coleman Heat Pump (AC & Heat) that was installed in 2003. The ac has ... A: Crystal, Coleman used to be the THE name when it came to heat pumps, but as you found out, not so ... | |
| Heat Pump Emergency Heat not working | 2/4/2010 |
| Q: Emergency Heat not working. Thermostat calling for heat, emergency heat switch on, red light on. Air ... A: Joe, A little confused of your explanation, so we will just address the way it should work. First ... | |
| ruud silhouette ii | 2/4/2010 |
| Q: My blower won't stop blowing. I have to unplug the unit or remove the cover to cut it off. What's ... A: Greg, The most obvious is to make sure that the fan switch on the thermostat is in the auto not ... | |
| Armstrong Air Ultra 5 Enhanced 95 V | 2/3/2010 |
| Q: I have an Armstrong Air Ultra 5 Enhanced 95 V that I think was installed in 2001. Since I moved in ... A: Lacey, The only thing in common between heating and cooling both not working, is the blower motor, ... | |
| 98 Weathermaker 9200 Carrier gas funace burner | 2/3/2010 |
| Q: I just had my burner assemble replaced on my gas furnace hoping it would solve the problem of my ... A: Carol, There are 2 ways to check a heat exchanger. One is with a meter while it is running in the ... | |
| Cost Efficiency of a Heat Pump | 2/3/2010 |
| Q: I have a Janitrol heat pump with the complete unit outdoors (no air handler). The unit was new in ... A: Craig, I don't know the mean average temperature there in the winter, but the heat pump should be ... | |
| Im not sure if you can help, but i thought i could ask :( | 2/2/2010 |
| Q: My Goldstar GR-141CGP fridge has a chemical smell coming out of it. It still gets cold and I cleaned ... A: Not only does freon have no odor, but your unit only holds a few ounces. Any leak would result in ... | |
| payne heat pumps | 2/2/2010 |
| Q: ive been troubleshooting this payne heat pump for a couple days it has been icing up like an iceberg ... A: Jen, No, that is the last place for a restriction. Either the defrost sensor or the defrost board ... | |
| Fuse Blows in Air Handler | 2/2/2010 |
| Q: John, this is a followup to yesterdays question. The fuse blows on heat. I removed the white wire ... A: This is at the board.And the board is hot or it would not blow the fuse, so, breaker off in between ... | |
| Fuse Blows in Air Handler | 2/1/2010 |
| Q: John, this is a followup to yesterdays question. The fuse blows on heat. I removed the white wire ... A: Don, When you said furnace and A/C didn't know it was a heat pump. If you have a volt meter ( or ... | |
| Air source heat pumps | 2/1/2010 |
| Q: I have been hearing about "Air source heat pumps". can you please simplify to me how these operate; ... A: Jon, Air source heat pumps are an air conditioner that can change directs of which way it moves ... | |
| Fuse Blows in Air Handler | 2/1/2010 |
| Q: I am trying to help my son. Recently he awoke to a cold house and no power to the thermostat. ... A: Don, The first thing to do is to open the air handler ( where the fuse is ) and with the power ... | |
| heater issue | 1/31/2010 |
| Q: i have a goodman model no: GMP100-3 REV B home furnace, my problem is the blower and everything ... A: Steven, It is probably the flame roll out switch on the sheet metal plate directly over the ... | |
| burning smell and greatly reduced air flow leading to little cooling effect. | 1/31/2010 |
| Q: Serving a one bedroom apartment in a 4 unit building in South Beach: The compressor outside is a ... A: Yes it is the heart of the air handler. Depending on upflow or downflow it is on the opposite side ... | |
| burning smell and greatly reduced air flow leading to little cooling effect. | 1/31/2010 |
| Q: Serving a one bedroom apartment in a 4 unit building in South Beach: The compressor outside is a ... A: Michael, The thing to do is to look at the blower motor. If it is old enough for a belt then, ... | |
| Heat Pump outdoor unit icing | 1/30/2010 |
| Q: I have a Carrier Heat Pump. The outdoor unit has ice on the coils, fans running inside and out, unit ... A: Joe, There is a setting on the defrost board for 30,60 and 90 minutes. That is the amount of time ... | |
| Heat Pump outdoor unit icing | 1/30/2010 |
| Q: I have a Carrier Heat Pump. The outdoor unit has ice on the coils, fans running inside and out, unit ... A: Joe, The first thing is the type of ice. If it is a pourous fluffy snow cone kinda ice it is ... | |
| heat pumps | 1/30/2010 |
| Q: can i run my heat pump on the cool cycle in winter to aid in defrosting the outside coil A: Larry, No, if the system charge is correct and the board is set at 30 minutes, instead of 60 or ... | |
| 2-story house thermostat settings | 1/30/2010 |
| Q: We have a 2 story house that has 3 a/c units: upstairs, downstairs, master suite. We would like to ... A: Leslie, If the upstairs can be physically closed to the air from downstairs, you can run it down ... | |
| carrier infinity freezes up drain clogging? | 1/30/2010 |
| Q: ANSWER: Mike, What you need to do when it gets that cold is to put a large bucket next to the ... A: Mike, On that furnace there is a small rectangle white water trap that the hoses drain into. It ... | |
| carrier infinity freezes up drain clogging? | 1/29/2010 |
| Q: A: Mike, What you need to do when it gets that cold is to put a large bucket next to the furnace and ... | |
| hvac | 1/28/2010 |
| Q: Ihave a carrier attic hvac about 20 yrs new just recently only works when it wants to, new ... A: Chris, It sounds like at the very least you need the run capacitor for that motor replaced, but be ... | |
| heating | 1/27/2010 |
| Q: i followed the wiring instructions and still blowing cold air like when i had the old thermostat. ... A: Rpberto, Ok, you have a spark model, not the HSI glow coil. So, what you need to do is ... | |
| 3-tube furnace, only 2 tubes fire | 1/27/2010 |
| Q: I have a Frigidaire furnace (manual is here, even though it calls itself a Westinghouse? ... A: Nicolette, You will find that the left "clam shell" heat exchanger that the burner sticks into is ... | |
| Heat pump seems to be working but no warm air? | 1/27/2010 |
| Q: My 2 ton air/air heat pump w/ elec. 2nd stage seems to be functioning, running endlessly. I only use ... A: Mark, If you are getting one degree temp rise across the air handler and in fact the large copper ... | |
| heating | 1/26/2010 |
| Q: i followed the wiring instructions and still blowing cold air like when i had the old thermostat. ... A: Roberto, If the furnace blows cold air no matter what you try, then you probably have a main limit ... | |
| Heat pump problems | 1/25/2010 |
| Q: I have a 2 ton, split system heat pump (Goodman) unit that is about 3 years old. My home is new ... A: Tammy, Wow, sounds like a big hassle for sure. The first thing I question is the size of the ... | |
| Heat Pump Defrost Problem | 1/19/2010 |
| Q: We emailed Honeywell the manufacturer of our thermostat asking them if they thought their thermostat ... A: John, The thermostat has nothing to do with the defrost at all. There is a defrost board in the ... | |
| Noisy Unit | 1/18/2010 |
| Q: Heating AC Unit is outside condo - all of which is on the same concrete. Has always been a noisy ... A: Karina, I am going to assume from your description that you have what is called a package unit? ... | |
| goodman 45,000 btu furnace model 050-3 | 1/18/2010 |
| Q: turn the furnace off the blower still comes on A: David, More info is needed. Are you saying that when you turn the thermostat off the blower ... | |
| 5-year old Trane TXV Valve | 1/18/2010 |
| Q: Trane Unit was purchased on Nov 6, 2004 with a five year warranty. Purchase also included a service ... A: Susan, No that sounds fishy, especially with all the up sell he was trying to do. Did he write ... | |
| A/C evaporator coils (fins) | 1/17/2010 |
| Q: I live in an apartment (older - 80's ?)in Florida - two strikes against me! BUT, I have lived in ... A: Frances, You live in a high humidity area and will always have moisture problems. If you contact ... | |
| 2 non-working heat pumps | 1/17/2010 |
| Q: Had too many follow ups to my earlier questions so I'm starting again. You may be on to something ... A: Roberta, The indoor coil, depends on if it is what is called a cased coil or not. What that means ... | |
| Sorry So many questions | 1/16/2010 |
| Q: So i looked fo rthe high pressure switch and could not find it..there is a hi/lo marking on the ... A: garrett, Those are the access fittings for service gauges to hook up to and record what pressures ... | |
| Air Handler | 1/16/2010 |
| Q: I have a Tempstar EBX-36 Air Handler..in the last few weeks when the unit shut off i would notice ... A: It is art of the outdoor unit, if you have one you will either be able to see it on the base, ... | |
| Air Handler | 1/16/2010 |
| Q: I have a Tempstar EBX-36 Air Handler..in the last few weeks when the unit shut off i would notice ... A: Garrett, I have to assume you have a heat pump, as you did not say. Could be that the outdoor ... | |
| retrofit Bryant 3ton R22 to R410a | 1/15/2010 |
| Q: I have a Bryant 3 ton R-22 electric central air unit and I wanted to know if I could retrofit this ... A: Bobby, you can replace the indoor coil and replace the entire outdoor unit. That is the only way to ... | |
| heat pumps not heating | 1/15/2010 |
| Q: John, I have a similar problem as other posters: real cold temps in Fla, heat pumps not working. ... A: Roberta, This tells us that the first unit had just gone through a defrost and cleared the coil of ... | |
| heatpump | 1/14/2010 |
| Q: Had no heat last Wed. and had to call a local HVAC. The guy came out and replaced the transformer. ... A: Jim, Yes, if you want to start guessing, that is one of the answers, along with incorrect ... | |
| heat pumps not heating | 1/14/2010 |
| Q: John, I have a similar problem as other posters: real cold temps in Fla, heat pumps not working. ... A: Roberta, 20 degrees from the vent that blows warm air and the great big white grill in the hall ... | |
| Goodman Furnance | 1/14/2010 |
| Q: My Goodman furnance (model GMT 070 53A) won't ignite. I've checked the power source with a voltage ... A: Does the blower come on when you call for it from the thermostat? If not you need to open the ... | |
| heat pumps not heating | 1/14/2010 |
| Q: John, I have a similar problem as other posters: real cold temps in Fla, heat pumps not working. ... A: Roberta, Are you sure you have 2 heat pumps? If so, then that is the wrong thermostat for it. If ... | |
| heatpump | 1/14/2010 |
| Q: Had no heat last Wed. and had to call a local HVAC. The guy came out and replaced the transformer. ... A: The test pins are on the defrost board. They are shorted with a screw driver. If you touch the ... | |
| intertherm heat pump | 1/14/2010 |
| Q: I have an Intertherm heat pump probally about 15 years old. Lately it will be working fine but ... A: Yes you should go somewhere else. I have helped 1,300 people in 6 just the last 6 months. That is ... | |
| heatpump | 1/14/2010 |
| Q: Had no heat last Wed. and had to call a local HVAC. The guy came out and replaced the transformer. ... A: Jim, Anybody checking the defrost sensor when they are plugging and unplugging them from the ... | |
| gas furnace | 1/13/2010 |
| Q: I have an armstrong ulta 80 gas furnace.the blower keeps on running untill i turn the power off and ... A: bill, Sounds like you need to change your air filter and do a better job in the future, Bill. ... | |
| HVAC | 1/13/2010 |
| Q: Have an Amana heat pump. Used to have a OPES / 4 star hot water system for AUX heat in place of the ... A: Greg, I assume that you installed the " electric heating coil ? " in the air stream before the ... | |
| HVAC | 1/13/2010 |
| Q: I just replaced the mercury flame ignitor of an old rudd HVAC. I heard the solenoid click and the ... A: Jeff, Is this mercury device one that plugs onto 3 brass posts that stick up? If so, there is a ... | |
| Gas Valve | 1/12/2010 |
| Q: Good evening. My name is Paul Keithley and I work for Ferguson Enterprises in Salisbury, MD. I have ... A: Paul, I am sorry, I have never seen that brand before. But any gas valve can be substituted for. ... | |
| Heat Pump - Filter Replacement | 1/12/2010 |
| Q: NO ONE EVER told me to switch to E-heat when the temp outside drops below 25. I can now feel warm ... A: Lee, Your welcome for the knowledge. The electric heat is 4 times as expensive, but when the heat ... | |
| HVAC Randomly Trips Circuit Breaker | 1/12/2010 |
| Q: Good Morning, I have an Armstrong HVAC unit with 2 circuit breakers. Whenever the unit is running ... A: Daniel, The fan as you call it is the blower. That is the one that is in your closet. The fan is ... | |
| HVAC Randomly Trips Circuit Breaker | 1/12/2010 |
| Q: Good Morning, I have an Armstrong HVAC unit with 2 circuit breakers. Whenever the unit is running ... A: Daniel, Which breaker is tripping? Do you have a heat pump and the outdoor unit is tripping the ... | |
| Trane TXV valve | 1/12/2010 |
| Q: My husband and I bought a home 2 years ago that had just had a brand new Trane heat pump installed ... A: JESSICA, First get the installation papers and see if that is correct on the warranty. It goes ... | |
| A/C | 1/12/2010 |
| Q: Receiving proposals from different companies to replace my A/C. Only one said I need a condensate ... A: Shirley, Primary drain and condensate pump both remove the water created in the indoor coil when ... | |
| AC Handler | 1/11/2010 |
| Q: I have a Tempstar EBX-36 Air Handler..in the last few weeks when the unit shut off i would notice ... A: Garrett, You need to remove the blower cover with the power shut off and reach in and spin the ... | |
| Central Heat | 1/11/2010 |
| Q: My central heat quit working, then mysterious began working again. It was set to auto at ... A: Jenn, I'm good but no body is that good lol I have to at least know if it is a furnace / heat ... | |
| Attic furnace, humidifier and attic condensation | 1/11/2010 |
| Q: John, I am a remodeling contractor in Colorado. As such, it is my job to know as much about every ... A: Carl, First let me applaud you for your endeavor into making the whole home work as a system. I ... | |
| Ruud heat pump reset button | 1/11/2010 |
| Q: The red reset button on the outside unit is damaged, the rubber is torn off and there seems to be ... A: Liz, That is a high pressure shut off, that pops a black plastic button out that is supposed to be ... | |
| Thermostat wiring | 1/10/2010 |
| Q: I need the thermostat wiring for the Pro-Stat Model 5010 Electronic Commercial Thermostat. The ... A: Glenn, sorry I thought I had that cleared up with my last answer. The extra wire you found and ... | |
| Thermostat wiring | 1/10/2010 |
| Q: I need the thermostat wiring for the Pro-Stat Model 5010 Electronic Commercial Thermostat. The ... A: Glenn, So you did hook up the common? It needs that for power ( 24 volts ) to the thermostat, ... | |
| Freedom 80 problem | 1/10/2010 |
| Q: A couple of days ago I noticed that my American Standard Freedom 80 was not working properly. The ... A: Garry, First FYI...when the system is failing to ignite properly those led pulses will change to ... | |
| Thermostat wiring | 1/10/2010 |
| Q: I need the thermostat wiring for the Pro-Stat Model 5010 Electronic Commercial Thermostat. The ... A: Glenn, You asked the right person, I know that prostat inside and out. Rc & Rh must be jumpered ... | |
| heil dc90 furnace | 1/10/2010 |
| Q: We ran out of propane, I hooked up a smaller tank to the residential line. The furnace came on and ... A: Brad, The reason I followed up is that I am just a normal regular guy like yourself that happens ... | |
| Inducer blower runs, doesn't shut off | 1/10/2010 |
| Q: We have a Heil SP80 (about 12 years old), and sometimes the inducer motor starts up, but nothing ... A: Jeff, So, you have a honeywell "smart valve". The way to tell is if the Hot Surface Ignitor gets ... | |
| Condensate line | 1/10/2010 |
| Q: I have two Lenox G21Q%26V series Gas Furnaces installed in a twostory house attic, in the mountains ... A: Olga, That is a common problem when the install company does not take into account that this can ... | |
| heat pump heating failure | 1/10/2010 |
| Q: I have a Ruud heat pump unit originally purchased in 1998, in June 2006 I had the outdoor unit ... A: Tony, Right off the get go I see a BIG problem. The 2 numbers you gave me at the start of your ... | |
| Furnace problem? | 1/10/2010 |
| Q: We have a very perplexing and frustrating problem that we think involves our furnace. We sure hope ... A: Cheryl, If you are correct in either odors from the area or your attic area that are actually ... | |
| Insulation in furnace filter | 1/10/2010 |
| Q: I live in a brand new condo. I have a Lennox forced air gas furnace. The last two times I've ... A: Larry, The best way to handle this is crawl up to the duct work and see if there are tears or ... | |
| Under heating | 1/9/2010 |
| Q: I live in Michigan and have just purchased a new house with 3500 sq feet. It is a colonial with two ... A: Lowe, Glad you wrote me. Do not even consider zoning, not just for the headaches of all the " ... | |
| Heat Pump or Electric Furnace in Seattle? | 1/9/2010 |
| Q: We are renovating an old split level home in Seattle area(2100 sq feet upstairs and 1200 sq feet ... A: Heidi, On that type of question, it is prudent to have a few contractors come and give you bids ... | |
| Black stains/dust | 1/8/2010 |
| Q: I have a small apartment with hot water heat (no vents). Every winter black stains (soot or dust ... A: Fred, That is called heat stratification. The hot air raises directly up the wall and deposits ... | |
| pressure switch | 1/8/2010 |
| Q: I have a Rheem criterion II model RGPH-10EAMER serial #FD5D302F260101279. I need to replace the ... A: Tyler, As with all pressure switches, the have a "h2o rating and that is the difference , unless ... | |
| heil dc90 furnace | 1/8/2010 |
| Q: We ran out of propane, I hooked up a smaller tank to the residential line. The furnace came on and ... A: Brad, I am just curious why when I answered your question and was correct the first time " since ... | |
| heat pump operation | 1/8/2010 |
| Q: I have had an Lennox XP16-048 heat pump and CBX32MV-048-23 air handler installed about 18 months ... A: The compressor is cutting out like that to keep from blowing up. SHUT that outdoor unit off, ... | |
| Carrier Furnace | 1/8/2010 |
| Q: I have a Carrier furnace Model # 58GSo75-88 Series 150 serial # 2588A1240 I believe its a 1986 My ... A: Paul, The blower is running because the furnace has failed ti light correctly 3 times in a row. ... | |
| Nutone A/C-Heatpump - cold nights | 1/7/2010 |
| Q: I have a 1 yr old Nutone model B5BM-X49K 4 ton R410 13seer system. For the first time since I have ... A: Stephen, If he did not record the data for you, call him and have him give you the following data ... | |
| Wiring related faults | 1/7/2010 |
| Q: I have a York Affinity 18 SEER heat pump 15kw heater w/two pc air handler w/variable speed blower ... A: Tom, We can rule out the thermostat........You state every winter it quits and goes to aux. So ... | |
| heat pump operation | 1/7/2010 |
| Q: I have had an Lennox XP16-048 heat pump and CBX32MV-048-23 air handler installed about 18 months ... A: Wayne, WOW.....you have a major problem. First I am gonna guess that they installed the indoor ... | |
| Airflow | 1/7/2010 |
| Q: Our house has HVAC system. It's a two-story townhouse, so on the first floor there is one return ... A: Timur, First things first. You have a heat I assume from your last statement. It is air flow ... | |
| Heil Gas Furnace won't heat with filter in | 1/6/2010 |
| Q: I have a 2002 Gas furnace, I changed the filter in Sept. and the system ran fine. At Christmas we ... A: Jenni, In that case then the furnace is running, just showing signs of a future shut down with the ... | |
| intertherm heat pump | 1/6/2010 |
| Q: I have an Intertherm heat pump probally about 15 years old. Lately it will be working fine but ... A: You are now on my never help again list. This is a frees service and the questions that were in ... | |
| Poor Heating | 1/6/2010 |
| Q: I moved into our current home in 2005. Ever since then we have had poor heat. By that I mean that it ... A: fuck you asshole your rating will be deleted and you will be blocked | |
| intertherm heat pump | 1/6/2010 |
| Q: I have an Intertherm heat pump probally about 15 years old. Lately it will be working fine but ... A: Dan, First always make sure you have a clean filter. Next is the outdoor unit iced up? After it ... | |
| Heil Gas Furnace won't heat with filter in | 1/6/2010 |
| Q: I have a 2002 Gas furnace, I changed the filter in Sept. and the system ran fine. At Christmas we ... A: Jenni, The clicking noise is the spark for the pilot to light. If it is clicking that much then ... | |
| Problem With Tempstar Heat pump | 1/6/2010 |
| Q: I have a 13 year old Temp star heatpump.I live in Ky.We are having 20 and below temps right now.My ... A: Kathy, I am happy to help someone who wants to know about there HVAC equipment . Here is an over ... | |
| Problem With Tempstar Heat pump | 1/6/2010 |
| Q: I have a 13 year old Temp star heatpump.I live in Ky.We are having 20 and below temps right now.My ... A: Kathy, I need a small amount of facts from you. When the thermostat calls for heat, What happens? ... | |
| american standard furnace fan | 1/6/2010 |
| Q: My American Standard Freedom 80 single stage furnace fan runs constantly. The furnace maintains ... A: Steve, The answer to your problem starts from letting your air filters work over time remain and get ... | |
| Trane XR12 (heat pump) | 1/5/2010 |
| Q: Grayson I hope you can help! I have a Trane XR12 w/heat pump(I'm pretty sure HP) new build 2002. I ... A: Bobby, You can probably save the one you have by these methods. You have to understand how ... | |
| TRANE XL80 won't stay lit | 1/5/2010 |
| Q: We have a Trane XL80 furnace (Model:TUD100R948A1) with a mercury Trane thermostat ... A: Matthew, The material the sensor is made of, degrades due to heat obviously, but looses its ... | |
| Watchguard lights | 1/5/2010 |
| Q: I have an older Honeywell VR8200. It is not running properly. Here is what is happening: 1. ... A: Laura, Then you probably cannot see the heat exchanger or blower motor, which with that info I ... | |
| Poor Heating | 1/5/2010 |
| Q: I moved into our current home in 2005. Ever since then we have had poor heat. By that I mean that it ... A: That honeywell number does not google to a product? But from the letters on the stat it is a heat ... | |
| Intertherm heat pump costs to operate | 1/5/2010 |
| Q: We have a new Intertherm single package system installed outside a 14x76 mobile home. We are in ... A: Dallas, Although you appear to be having a cold winter for your climate, the strips should not be ... | |
| 1985-1986 clare brothers gas furnace | 1/5/2010 |
| Q: I have an older gas furnace that just isn't' cutting it anymore. I was wondering if it would be ... A: Walter, That furnace is going to be in the 70 to 75% range. If you look it might have input btu's ... | |
| Watchguard lights | 1/5/2010 |
| Q: I have an older Honeywell VR8200. It is not running properly. Here is what is happening: 1. ... A: Laura, It is not your thermostat. The control board for your furnace is failing, most likely a ... | |
| Trane XR12 (heat pump) | 1/5/2010 |
| Q: Grayson I hope you can help! I have a Trane XR12 w/heat pump(I'm pretty sure HP) new build 2002. I ... A: Bobby, This is another expert, John here. Trane is the only manufacture company to build its own ... | |
| Furnace blower stopping, residential | 1/4/2010 |
| Q: This is my first allexperts question, so forgive me if I don't understand the protocol. The blower ... A: Paul, Had you called a tech the first failure the motor might be ok, but with all the things you ... | |
| furnace | 1/3/2010 |
| Q: my fan comes on but the unit won,t light could it be ignitor? A: If your talking about the inducer motor and you have a hot surface ignitor , yes. Then after a few ... | |
| Lennox Heat Pump HP26-018-7P | 1/2/2010 |
| Q: We own a duplex with each unit using the above heat pump. Our renter called this morning and their ... A: Stacie, Are you sure there were no fuses in the handle he removed? or behind a shield? If he ... | |
| Lennox Heat Pump HP26-018-7P | 1/2/2010 |
| Q: We own a duplex with each unit using the above heat pump. Our renter called this morning and their ... A: Stacie, The first thing to check is the electrical box on the outside next to the pump, there ... | |
| R 22 boiling at -40?? per John t Borgman yes!?? | 1/2/2010 |
| Q: john t borgman wrote at 2009-12-08 14:13:53 this "expert" is mistaken as the refrigerant used in ... A: I was not going to respond to bashing , but for the sake of any techs I help that might read this. ... | |
| Heil Heat Pump | 1/2/2010 |
| Q: John, the temp. where I am is going to be in the teens at night and only in the 20's for highs for ... A: Ron, You are better off going to emergency heat, as at that temperature it will never reach your ... | |
| transfer heat from wood stove to baseboard hot water heat system | 1/2/2010 |
| Q: I have an interesting project on deck that needs expert advice. My house is heated with a baseboard ... A: Michelle, Since you are one of the few that actually read my bio....lol Anyway, in theory yes it ... | |
| Heil heat pump | 1/2/2010 |
| Q: I recently moved into a condo in Pennsylvania that has a heat pump -- my first h.p. experience. ... A: Sandy, The contactor is probably a good idea, if your equipment is over 5 years old and never ... | |
| error code | 1/1/2010 |
| Q: I have a Am/Std GUA080DIN furnace since 1994. (first problem) It short cycles like the flame sensor ... A: Earl, When you look at the burners, you will see the pipe from the gas valve curving down to the ... | |
| HVAC Smells | 1/1/2010 |
| Q: My wife has noticed that our house has started "smelling" like urine or sewer when the furnace is ... A: G.W, Because you have a very old furnace, you need a tech out with a co2 meter, co2 can kill you ... | |
| Carrier Central Unit problem | 1/1/2010 |
| Q: I have a 1988 Carrier central unit with a 100,000 BTU gas furnace. Model: 58GP100 – CA ... A: Do you realize that 1/4 of the heat that old furnace is putting out goes right out the flue to the ... | |
| Gas furnace on short cycle | 1/1/2010 |
| Q: We moved into our Townhouse in June, and until December everything was good. But, with the cold ... A: Joe, I agree with you. But it will take some trouble shooting with a volt/ohm meter to find such ... | |
| HVAC - heater problem. | 1/1/2010 |
| Q: I have Carrier model 48GS-024060301. A few days ago, the heater stopped working. A contractor came ... A: Huy, Sounds like the flame sensor. The burners light, usually on the right and spread to the ... | |
| Heil heat pump | 12/31/2009 |
| Q: I recently moved into a condo in Pennsylvania that has a heat pump -- my first h.p. experience. ... A: Sandy, If you are in the 30's or less your outdoor unit will frost and should frost as long as it ... | |
| Tappan Furnace Noise | 12/31/2009 |
| Q: I have an old Tappan furnace (not sure model no.). One of the four brackets that hold the blower ... A: Randy, If that is a " belly band " mount, they sell universal kits that you can use to replace the ... | |
| Bryant Heating unit not functioning | 12/31/2009 |
| Q: I have a Bryant 355MAV gas furnace that is not working properly. For some reason whenever I turn the ... A: Virginia, You have a high efficiency model which means sealed combustion. There is a small round ... | |
| Trane Heat Pump | 12/31/2009 |
| Q: My question deals with the outside unit. I have a Trane heat pump that is about 8 years old. I ... A: Gabe, An amp draw must be taken, should have been taken by the pro, it was part of his job. On ... | |
| Induced draft motor will not fully start | 12/30/2009 |
| Q: I have two Goodman GMP series furnaces (about 1995 models)installed at the same time in 1996 and ... A: Robert, You have line voltage coming to the furnace in a small metal box. Inside the furnace ... | |
| heat pump | 12/30/2009 |
| Q: i have a Ducane heat pump and a honeywell T-stat. thermostat is new and the heat pump is only one ... A: Dustin, The best thing to do it put the thermostat on emergency heat and run your back up furnace ... | |
| rheem imperial 80 burner not lighting | 12/29/2009 |
| Q: above unit calls for heat, pilot comes on igniter clicks several times,but no gas supply other than ... A: Wally, After the pilot lights there is a metal rod that sits in the flame " flame sensor " that ... | |
| Tappan Heater | 12/29/2009 |
| Q: I have a Tappan heater in my house that is not working properly. When i turn the heat on it only ... A: Jason, Does the fan stay on even if you do not call for heat? If so it could be your main limit ... | |
| gmph075-4 furnace that turns on and then turns off... | 12/29/2009 |
| Q: I have a goodman gmph075-4 furnace that i am having trouble with. It turns on and after a few ... A: Shakar, There is a rubber hose that connects that to the inducer motor. Remove the hose from the ... | |
| Nordyne Furnace | 12/29/2009 |
| Q: I have a Nordyne gas furnace Mo# G2RL-075A14. I have had 2 different repairmen here and still no ... A: Harold, I would check your water drain, sounds like it is backing up at the end of a run cycle, ... | |
| HEAT PUMP NOISE | 12/28/2009 |
| Q: .. My heat pump ... a TRANE unit installed in 1992 ... has started making a noise that sounds like ... A: Mary, When he returns ask him to do his job and take those readings, it only takes a few minutes ... | |
| HEAT PUMP NOISE | 12/28/2009 |
| Q: .. My heat pump ... a TRANE unit installed in 1992 ... has started making a noise that sounds like ... A: Mary, He should not charge you for a return visit. There is nothing in there to be oiled or ... | |
| Ducane heat pump | 12/27/2009 |
| Q: Last year I purchased a ducane heating & air conditioning unit installed in my attic..due to no ... A: Pamela, Not sure what the attic info is for, but as far as your heat pump, it will frost up doing ... | |
| Gas furnace on short cycle | 12/27/2009 |
| Q: We moved into our Townhouse in June, and until December everything was good. But, with the cold ... A: Joe, It is purely a function of the thermostat, as long as the home is staying comfortable. It ... | |
| heat wont turn off | 12/26/2009 |
| Q: I have a central air system in my house. The system was replaced a few years ago so its fairly new. ... A: Stephanie, Turn the switch off to the furnace and pull off the doors. You will see where the ... | |
| Pilot Won't Stay Lit | 12/26/2009 |
| Q: We have a gas furnace for a mobile home. The pilot will not stay lit. I've had the thermocouple ... A: Sean, It sounds like the pilot flame is not strong enough. It should cover the end of the ... | |
| Vexar by York Int | 12/26/2009 |
| Q: I have manaufacted house and the heating unit is a Vexar by York Int. When I turn on the thermostat ... A: Jonathan, When you start the furnace there is a small motor just above the burners that starts to ... | |
| Excess condensation / Gas furnace | 12/26/2009 |
| Q: I have a 15 year old Ruud 90 gas furnace and have noticed considerable amounts of condensation ... A: Tom, I am in Portland are you? If so you can give me your number and I will call, much easier. ... | |
| Gas furnace on short cycle | 12/26/2009 |
| Q: We moved into our Townhouse in June, and until December everything was good. But, with the cold ... A: Joe, So is the furnace keeping the house warm? Or would you like a bigger temperature swing, ie, ... | |
| new furnace | 12/26/2009 |
| Q: az--5200' elevation with some cold weather and snow and several winter nights between 10 and 20 ... A: George, I would jump all over that deal, after rebates and tax credits you will do all right. The ... | |
| rollout switch tripping | 12/26/2009 |
| Q: I've got a 6-year-old Bryan 2-stage 90%(?) furnace (sorry I don't have the exact model # handy). ... A: Steve, First if it was a flue blockage your system would be shutting down on the pressure switch, ... | |
| Residential HVAC: heating unit intermittently sticks, overheating home | 12/25/2009 |
| Q: Borgman- If my question is not appropriate in any way please disregard. - My Aquatherm air ... A: The diagram shows the pump relay gives power to the pump and the fan for heating. So a check to see ... | |
| electric igniter | 12/24/2009 |
| Q: My self igniting gas furnace will not ignite. It clicks when the thermostat is activated.The ... A: Tom, So, what you hear is the spark ignitor that is supposed to light the pilot, does the pilot ... | |
| A/C noise | 12/24/2009 |
| Q: I live on the third floor(top floor) of condo building. When A/C is running(all electric, condensor ... A: Kent, Probably was a poor installation. Generally every 10 feet there is supposed to be an oil ... | |
| heatpump outside unit | 12/24/2009 |
| Q: what would cause an outside unit to freeze up in the winter. I changed the furnace filter but that ... A: Cheryl, It is normal for a heat pump to frost up in the winter, but it should be a fluffy frost, ... | |
| Bryant Code 24 | 12/24/2009 |
| Q: I have a Bryant 373LAV Gas Furnace. Every few days I get an LED Code 24, 24V problem. The fuse ... A: Steve, Not knowing the age and history I can offer only this.....First check the voltage to the ... | |
| furnance troubleshooting | 12/23/2009 |
| Q: The heat in my furnace went completely out so I called my uncle to fix it. He "fixed" it in five ... A: Lynnsie, Without knowing more I cannot help you. What did they plug in? Is this gas, electric, ... | |
| Residential HVAC: heating unit intermittently sticks, overheating home | 12/23/2009 |
| Q: Borgman- If my question is not appropriate in any way please disregard. - My Aquatherm air ... A: Brian, We don't have many of those in this area, but, it would seem that it in fact it is not the ... | |
| Induced draft motor will not fully start | 12/23/2009 |
| Q: I have two Goodman GMP series furnaces (about 1995 models)installed at the same time in 1996 and ... A: Robert, That does sound strange. The first thing I would check is supply voltage to the board. ... | |
| Furnace...Lennox Ultra X Gas... Sputtering Start | 12/22/2009 |
| Q: we have a 10 year old furnace that has worked great in every respect except now it does this ... A: Seidean, I am glad that it is working for you now. I question the need for a new board. A ... | |
| Miller ac with heater kit keeps trippin the breaker | 12/22/2009 |
| Q: Everytime I turn on the heater it keeps tripping the breaker. Here is the setup: Miller 3.5 ton ... A: Chris, OK, then you are going to need a tech to come out and take a look. If you have not had a ... | |
| Miller ac with heater kit keeps trippin the breaker | 12/22/2009 |
| Q: Everytime I turn on the heater it keeps tripping the breaker. Here is the setup: Miller 3.5 ton ... A: Chris, Which breaker is tripping? How old? If the numbers you supplied are correct then when all ... | |
| Ultra V only does the 7 sec ignition trial | 12/21/2009 |
| Q: I have an Ultra v Teck 80 furnace. I've watched it run and the 15 second purge works correctly but ... A: John, That is a honeywell smart valve and before you change it out you need to be sure, they are ... | |
| Heat pump w/Aux heat no fan outside running | 12/21/2009 |
| Q: I have a Rudd unit outside and it's over 10yrs old. Just had a circuit board replaced in it. I ... A: Thomas, Something is not wired correctly. The Y or yellow wire should turn on the outdoor unit on ... | |
| Musty odor | 12/21/2009 |
| Q: My nutone heat pump split system is blowing a very musty odor from the vents when it first kicks on ... A: Berdine, Generally something that new cannot have anything internal to get "musty" in that amount ... | |
| Furnace...Lennox Ultra X Gas... Sputtering Start | 12/21/2009 |
| Q: we have a 10 year old furnace that has worked great in every respect except now it does this ... A: Seidean, Yes it could be, but thermostats are usually not the problem ( rare, but a possibility ) ... | |
| Furnace Not Getting Heating | 12/20/2009 |
| Q: Older electric furnace that runs, blows strong, is quiet, but does not heat up. Older dual ... A: Gwen, It could be one of 3 things and unfortunately you need a multi meter to find out. It could ... | |
| Ceiling mounted Carrier Air handler | 12/20/2009 |
| Q: I have a leak in my ceiling-mounted ducted air handler (Carrier model 40DQ, mid '80s) in our ... A: Sam, Because of the installation problems, it would be better to fix what you have. If it is a ... | |
| Heat intermittent | 12/7/2009 |
| Q: Ruud Achiever 90plus furnace, Honeywell RTH6300B Thermostat. Moved to new house 2 months ago and ... A: Parker, Turning the power off then on resets the board. Next time it fails look at the led's on ... | |
| Lennon G23 Series Furnace | 12/6/2009 |
| Q: Our furnace (Lennox G23 Series Gas Furnace) won't stay on today. It says low flame on the back. It ... A: Denise, It is one of 2 things, either the flame is low, due to clogged burners, or the flame ... | |
| White dust like Joan(10/23/09) | 12/6/2009 |
| Q: We are experiencing the same problem with our new(Jan 09)HEIL AC w/ gas furnace system as Joan ... A: Dale, Unless you have an E.A.C cleaner, that is probably the case, or it is pulling in somewhere ... | |
| Furnance | 12/4/2009 |
| Q: I have a Arcoaire RJII furnace. The exhaust fan runs contiuously and the furnance will not kick on ... A: Dan, there is a hose going from the exhaust fan housing to a pressure switch. remove the hose ... | |
| Rheem indoor furnace | 12/4/2009 |
| Q: John I have an Rheum furnace less than ten years old. The furnace has a IFC board and all the green ... A: Sorry I thought you said board, my bad. The way you find out is a manometer on the outlet to the ... | |
| Rheem indoor furnace | 12/4/2009 |
| Q: John I have an Rheum furnace less than ten years old. The furnace has a IFC board and all the green ... A: Donald, On the left side there is a sheet metal cover with 2 screws that covers the board that you ... | |
| Found solution, but wondering if there is a bigger problem. | 12/3/2009 |
| Q: I had an Armstrong Air V (heat/air) with led blinking 3 times. One of the other answers said "would ... A: George, Yes, that is a condensing gas furnace, which means it condenses water in the flue pipe ... | |
| replacing h/a package unit | 12/3/2009 |
| Q: i have to replace a 10 year old ruud outside package unit. the heat exchanger has rusted. i have ... A: Jackie, American standard is Trane and the best of the choices, for that matter some of the best ... | |
| gas heater not working | 12/2/2009 |
| Q: I bought my first house a couple months ago and am now having trouble with the heater. It is an ... A: Drew, If the gas valve is getting 24 volts when the ignitor is at it's hottest, then it is the ... | |
| AC condensation | 12/1/2009 |
| Q: I have gas central ac which is separate from my forced hot water heat. I live in the northeast (MA). ... A: Wayne, I would venture to say that the metal "boot" that the duct attaches to is uninsulated and ... | |
| size of furnace | 11/30/2009 |
| Q: recently had a energy efficient furnace installed (carrier infinity 58mvc 100-24) My home is a 2 ... A: Deryl, Far as I know you will have to pay full price for manual J. If the new unit is the same ... | |
| Armstrong Ultra III furnace | 11/30/2009 |
| Q: I have an Armstrong Ultra III furnace. The unit turns on an lights the burns but then shuts off the ... A: Ray, Gonna need more info."turns on a light?" is this on the board? And do you mean the burner ... | |
| Ultra V tech 91 gas furnace | 11/29/2009 |
| Q: I have an Ultra V Tech 91 gas furnace. The clear hose that appears to go into the front of the ... A: Steve, You have a high efficiency condensing gas furnace. This means that water condenses in the ... | |
| Temperature Differential | 11/28/2009 |
| Q: A technician tells me that my AC is not cooling properly at 25.7 degrees "temperature differential." ... A: John, It depends on a lot of factors, but if you have duct work that is correct in static ... | |
| Propane xe90 won't ignite | 11/27/2009 |
| Q: My propane furnace won't light. The vent blower works, the igniter heats up, the gas starts to enter ... A: Shawn, Just happened to be on line and saw your question come in. I am assuming you are referring ... | |
| Vented or Ventless Fireplace Logs | 11/26/2009 |
| Q: We have a electric furnace to heat our home. We also have a fireplace with a metal tube chimney. ... A: Sandy, Stay away from any vent less gas products. Not safe. Read the instructions carefully and ... | |
| Rheem Heater | 11/26/2009 |
| Q: I have a Rheem model RGDD-06NC-ER furnace. About a year ago I replaced the ignition module (S8910U) ... A: Brent, A couple things there Brent. The first thing you do is turn the blower on at the ... | |
| hvac | 11/26/2009 |
| Q: I recently purchased a older story and a half home with basement. The HVAC equipment is in the ... A: Landon, It is impossible to see without being there! Call a couple local contractors ( hvac ) and ... | |
| Feasability of heat pump | 11/25/2009 |
| Q: I have a two story house 30W x 40L with a full basement. Attached to the house I have a second ... A: Robert, Over the years I have " dreamed " about even putting the coil IN the duct work. But ... | |
| Forced Air Furnace | 11/25/2009 |
| Q: Subject: Forced Air furnaceHi, I was told my forced air furnace needed a new electric starter. ... A: Susan, I dont know what you mean by a starter, never heard of one on a furnace. You could have a ... | |
| American Standard Freedom 80 | 11/24/2009 |
| Q: Just had my gas service turned on, but my furnace refuses to start. I have a White-Rogers ... A: Ray, Are you talking about the blower or the inducer fan motor? On the white rodgers control ... | |
| ruud gas heater cuts out | 11/24/2009 |
| Q: I have a Ruud Silhouette II model UGPH-15EARJR , about 7 yrs old...running on propane , ... A: dave, It could be those things or others. Does the blower come on? does it stay on? It is most ... | |
| HVAC duct noise | 11/24/2009 |
| Q: My home is just 5 years old this past July. It is a builder spec home we bought new in the summer ... A: Bob, First let me help by saying that the same duct work is used for heating, cooling and ... | |
| Heater doesn't run with fan on auto | 11/23/2009 |
| Q: Quick question - We replaced the digital thermostat in the house already in an attempt to fix this ... A: Laura, If it is an older furnace it is the fan limit switch that is bad, if it is a newer furnace ... | |
| Aluminum Tape for pipe | 11/23/2009 |
| Q: A piece of what looks like aluminum tape came off of a pipe and someone gave me some aluminum tape ... A: Kc,, I do not do private answers, I volunteer my time for all residential help. That tape not ... | |
| american standard freedom 90 propane furnace | 11/22/2009 |
| Q: our furnace is 9 years old. It is american standard freedom 70 propane with one zone. Recently, ... A: Sherry, Yes had you said that during the first e-mail we could have had this fixed....lol The ... | |
| changing the heat strip | 11/22/2009 |
| Q: I have a Payne furnace that i purchased to heat an area of about 1500 square feet. My electric bill ... A: Ronald, Ok, I really cannot advise you any further. If you cannot fill in the blanks from my ... | |
| Placement of registers | 11/22/2009 |
| Q: My furnace is in the attic (small house - about 1000 sq feet). The heat supply registers are close ... A: Ann, A central return is the " norm ", however for this to work efficiently, the rooms that have ... | |
| changing the heat strip | 11/22/2009 |
| Q: I have a Payne furnace that i purchased to heat an area of about 1500 square feet. My electric bill ... A: Ronald, The sequencer is the relay that energizes the strips. If you have 24 volts at the ... | |
| Heating | 11/22/2009 |
| Q: I have a York split system unit. It was installed originally with the house in 1992. It has an ... A: When you have an intermittent problem like that, the best thing to do is leave it the failed state, ... | |
| Placement of registers | 11/21/2009 |
| Q: My furnace is in the attic (small house - about 1000 sq feet). The heat supply registers are close ... A: Ann, flex duct is fine to use. It comes already insulated, and is easy to handle. Return(s) are ... | |
| Rheem 1x2000 | 11/21/2009 |
| Q: John, I would like to clean the filter on my furnace but can't find it. I looked in the manual but ... A: John, Depending on up-flow or down-flow and where the furnace is located is where you look. If ... | |
| Heating | 11/21/2009 |
| Q: I have a York split system unit. It was installed originally with the house in 1992. It has an ... A: Brantley, Your description does not make sense. For "YEARS" you have not had heat, but the ... | |
| Heating/AC unit | 11/21/2009 |
| Q: I have a roof top, residential heating unit, that is dual, both heating and AC. The problem I have ... A: Stephanie, It will not cost anything for an Heating/cooling company to come out and give you a bid ... | |
| Gas furnace Blower noise | 11/20/2009 |
| Q: The blower started to make a whining noise. The blower motor appears to be turning normally. I saw ... A: Rich, It sounds to me like you are describing the draft inducer motor not the blower. What is the ... | |
| heat pump, little heat, | 11/19/2009 |
| Q: I'm new to this, and I have a little schooling on this, so here is the problem. I have a heat pump ... A: Gary, Well now.......could be they wired the lock out for the strips backwards and they won't work ... | |
| Wishing the death of 18 yr old heat pump | 11/19/2009 |
| Q: I just bought a home with a 18 yr old Carrier 2.5 ton heat pump. The furnace was replaced last year. ... A: Angela, Wow, thank god your poor husband got out from that marriage. And FYI your rating will be ... | |
| Gas central heat unit | 11/19/2009 |
| Q: I am replacing the thermocouple that keeps the pilot light lit and I notice that there is a lot of ... A: Bill, The air that is mixed with the gas has impurity in it. Depending on the area and the area ... | |
| Little air flow from duct work | 11/18/2009 |
| Q: My husband and I are building our own home. We purchased a outdoor wood hot air furnace WADENA. Our ... A: Amy, Going to need more info to answer your question.An 8" duct cannot move even half that amount ... | |
| heat pump, little heat, | 11/18/2009 |
| Q: I'm new to this, and I have a little schooling on this, so here is the problem. I have a heat pump ... A: Gary, The thermostat should have first and second stage heat, second stage is usually wired ... | |
| amana 90 | 11/18/2009 |
| Q: I have a amana 90 furnace that will light sometime and sometimes it won't light i think it might be ... A: Aki, I need a bit more info....Is the lighting device a Hot Surface Ignitor, spark with a pilot, ... | |
| Thermostat | 11/18/2009 |
| Q: John, I have recently purchased a new house. It's over 1 1/2 years old..no ones has lived in it. We ... A: Bill, Here is the owners manual for that thermostat. ... | |
| heat pump | 11/17/2009 |
| Q: I hve a carrier unit modle # fb4anf030. also have a programable thermostat. went to adjust heat ... A: Todd, I am not sure what you are asking. Where do you hear a hum? And you are sure it is a ... | |
| Intertherm heatstrip air handler(mod home) | 11/17/2009 |
| Q: My neighbor has a intertherm air handler that is heating, but will not turn the fan on in auto on ... A: John, Ih the cooling mode the blower is turned on by a small black relay that is in the upper left ... | |
| Heat Pump Pressures | 11/15/2009 |
| Q: How do you determine if the compressor valves are bad or the reversing valve is not shifting 100% ... A: Bill,\ Sorry I mistook your knowledge level. It will depend on the degree of leakage. In other ... | |
| Wishing the death of 18 yr old heat pump | 11/15/2009 |
| Q: I just bought a home with a 18 yr old Carrier 2.5 ton heat pump. The furnace was replaced last year. ... A: Angela, I do not answer private questions that ask to break the law!!!!!!!!!!!!!!!!!! But I will ... | |
| Heat Pump Pressures | 11/15/2009 |
| Q: How do you determine if the compressor valves are bad or the reversing valve is not shifting 100% ... A: Bill, Simple answer bill. You check the amp draw of the compressor while it is running. If the ... | |
| american standard freedom 70 propane furnace | 11/14/2009 |
| Q: our furnace is 9 years old. It is american standard freedom 70 propane with one zone. Recently, ... A: Sherry, It is not the control board. There are several reasons for that "fault" code, but most ... | |
| freezers | 11/14/2009 |
| Q: Can a freezer be transported on it's side and then be set upright and work without problems, or are ... A: Ron, Although it is highly recommended not to do that, if you do then you must have it upright and ... | |
| Vibration from Heat pump | 11/13/2009 |
| Q: We have an outside AC unit/heat pump. The unit kicked on all last winter and all summer providing ... A: Micah, The first thing would be to look at the fan blade on the top while it is running and see if ... | |
| PROGRAMMABLE TSTAT | 11/12/2009 |
| Q: I recently installed a rite-temp model 6036 7 day programmable tstat to update my heat pump. i ... A: Kurt, That thermostat will work fine on your heat pump, it just has to get wired correctly. So, ... | |
| payne furnace | 11/11/2009 |
| Q: igniter lights, furnace fires and stays lit, blower comes on, spark ignition continues to spark when ... A: Barry, You want to be careful not to break the ceramic, but the rod needs to be in a position to ... | |
| Rheem Criterion II Noise | 11/11/2009 |
| Q: This furnace is 8 years old & installed in a 2000 sq ft 4 bdrm house in SoCal. It makes a whining ... A: Don, In that case it might be, I got the impression from the way you wrote the question this has ... | |
| Rheem Criterion II Noise | 11/10/2009 |
| Q: This furnace is 8 years old & installed in a 2000 sq ft 4 bdrm house in SoCal. It makes a whining ... A: Don, The sound is coming from the louvers on your return air grill. Take some needle nose pliers ... | |
| AC Unit.... what to do??? | 11/10/2009 |
| Q: I'm very confused about a problem with my outside AC Unit and would be really grateful to hear your ... A: Juliet, You should replace it now. 2 reasons....if it dies then the compressor will run EXTREMELY ... | |
| payne furnace | 11/10/2009 |
| Q: igniter lights, furnace fires and stays lit, blower comes on, spark ignition continues to spark when ... A: Barry, sorry I wasn't even close,I guess I am getting old,.lol, yes that is the one. Built in that ... | |
| payne furnace | 11/10/2009 |
| Q: igniter lights, furnace fires and stays lit, blower comes on, spark ignition continues to spark when ... A: Barry, No, you have a three wire pilot part # Lh360 that needs to be replaced. If you look the ... | |
| Squeal blower motor | 11/9/2009 |
| Q: my AC air handler (no heat) is horizontally installed in a hot and tight fitting attic -- a UPG 4 ... A: Patrick, You say direct drive , but it sounds like you have a belt drive is that correct? If so ... | |
| Rewiring a Coleman Elec. Furnance | 11/9/2009 |
| Q: I have a Coleman Electric Furnace model 3500a, it has the controls on the furnace. I want to ... A: Doyle, you must have some kind of thermostat, besides the manual fan switch if you have heating ... | |
| Electric Furnace with strange cycle | 11/9/2009 |
| Q: I have a airforce central heat/air conditioning. The Furnace is a YORK model N4AHD14A06A (located ... A: Thong, It sounds like you probably have a mechanical fan/limit switch that is in need of ... | |
| humidity in house | 11/9/2009 |
| Q: I recently purchased a house and am noticing a problem with very humid air in the house. The windows ... A: Nick, No, windows , being a better grade I assume will just make it worse. What form of heat do ... | |
| Compressor matching air handler | 11/8/2009 |
| Q: John, You're so helpful I need to ask you another question. I have a 3 Ton Luxaire Compressor and ... A: Hey Scott, What that means is that you have an air handler capable of 1,600 cfm or air across the ... | |
| Central heating | 11/7/2009 |
| Q: my central heating system is 3 months old and 2 months ago i have changed the thermostat to a ... A: Niles, When you open the door you stop power to the circuit board and it clears any faults, or ... | |
| air conditioner | 11/6/2009 |
| Q: I currently have a 4 ton 14 seer Rheem bought in 1998. Then handler and the condensing unit are ... A: Lisa, Sounds like you have an air flow problem or the unit is not charged correctly. That TXV ... | |
| Air Handler | 11/4/2009 |
| Q: I have a UPG Model MA Modular non-variable speed air handler. It is hooked up with ac and forced ... A: Scott, You did not tell me that it was that way for a year!!! The fan runs when there is power to ... | |
| Trane XB1000 Problem | 11/3/2009 |
| Q: This pas Saturday my AC kicked on and the Trane XB1000 that sits outside my house start making this ... A: Eric, First go out and spin the fan blade with nothing on, if it does not spin freely and go for a ... | |
| Trane XL 90 not igniting | 11/3/2009 |
| Q: My Trane XL 90 is not igniting. The AC/fan works fine. When I turn the heat up on the thermostat, ... A: Joe, If the blower motor is bad ( check by switching tstat fan switch to on) then the furnace ... | |
| Air Handler | 11/3/2009 |
| Q: I have a UPG Model MA Modular non-variable speed air handler. It is hooked up with ac and forced ... A: Scott, The fan gets it's power through the G wire and the tstat has a fan ON/Auto position. If ... | |
| Little Giant Pump Company VCMA-20 Series | 11/3/2009 |
| Q: I saw you gave some great advice, so I had a question for you. I have a Little Giant Pump Company ... A: Jeff, I have actually had that happen. The micro switch reverses it's operation. You need a new ... | |
| Wall Heater | 11/2/2009 |
| Q: I have a wall heater from williams company, its a old heater as the cold weather starts i turn on ... A: Sam, You need to change the thermocouple, the rod the pilot light hits and gets hot. It has a ... | |
| Heat Pump | 10/31/2009 |
| Q: I have a Ducane 4 ton heat pump HP12B48 S/N 4468700322, Compressor ZR47K3FPV135 (scroll). The ... A: David, You have either a refrigerant or an air flow restriction. It would not be the indoor txv ... | |
| American Standard vs. Carrier | 10/31/2009 |
| Q: I am going to be replacing our twenty year old gas furnace with a new 95%unit, so that we can ... A: Bob, American standard is Trane. And from a tech's point of view, Trane is far superior to the ... | |
| Replacing Air handler | 10/30/2009 |
| Q: My air handler is rusty and the system leaked...and was repaired a month ago. The system is 10 ... A: Walt, What "system" was repaired? I can tell you this. For you to loose a compressor in 8 years ... | |
| Day & night 373lav | 10/29/2009 |
| Q: I have a day & night 373lav Horizontal that will not open the gas valve. They provide a pretty handy ... A: Don, There are tons of boards out there, Don, but I believe that one gets the gas valve voltage ... | |
| programmable thermostat | 10/29/2009 |
| Q: I'm trying to install a Honeywell Programmable thermostat to replace a Comfortmaker. I've got the ... A: David, I have not seen one with a #4. But the R & Rc are 24 hot, the W is heat, The G is for the ... | |
| goodmen ninty-two furnace | 10/28/2009 |
| Q: when i turn it on and go down and watch it . blower comes on glows up clicks then trys again it ... A: Mike, The path for the 24 volts to the gas valve goes through the pressure switch and then up into ... | |
| Water damage? | 10/28/2009 |
| Q: I just resently had a tolet flood, and when it flooded a lot of water got into the heating vent next ... A: William, It has to be either metal or flex. If it is metal and there is a vent cut into it, you ... | |
| Water damage? | 10/28/2009 |
| Q: I just resently had a tolet flood, and when it flooded a lot of water got into the heating vent next ... A: William, Will need a lot more info to even venture a guess. Is the water closet directly above ... | |
| Sticking Fan | 10/27/2009 |
| Q: At times the fan on our a/c unit won't spin. When we push the fan even a little bit it starts back ... A: Kathy, The problem is the run capacitor. That is a PSC ( permanent split capacitor ) motor. The ... | |
| Heating System | 10/26/2009 |
| Q: My daughter just bought a townhouse and moved in about 3 weeks ago. She has electric forced hot air ... A: Susan, she can turn the temp wherever she wants, I don't know what yahoo told her that. And if the ... | |
| Gas furnace | 10/25/2009 |
| Q: Tried to start the gas furnace but it will not light. I have checked all the safety ... A: Roger, Depending on the furnace, you will need to look at the schematic....the safties and ... | |
| Gas furnace | 10/24/2009 |
| Q: Tried to start the gas furnace but it will not light. I have checked all the safety ... A: Roger, So, you did not say....does the ignitor lite up? if so and you have checked the gas ... | |
| Low cfm/velocity problem | 10/24/2009 |
| Q: Could having too much cold air return(16x32 cast iron floor grate over two floor joist cavities 8x15 ... A: Ryan, Having a bit of a problem with your descriptions. But you cannot have to much return air as ... | |
| temperature set on thermostat not recognized | 10/23/2009 |
| Q: The tenant called me and said that after one of the big storms when the power went out, they came ... A: Laura, Thanks for the compliments, but I need more info than that. If it is a heat pump the ... | |
| Calcium build-up on brand new HVAC? | 10/23/2009 |
| Q: Our new 3.5 ton HVAC system was installed January, 2009. We used the heater from January through ... A: Joan, OK, first let us address the load calculations. Who did them and by what method? If they ... | |
| Calcium build-up on brand new HVAC? | 10/9/2009 |
| Q: Our new 3.5 ton HVAC system was installed January, 2009. We used the heater from January through ... A: Joan, At your furnace location is the indoor coil. Hopefully they used a cased coil, which has a ... | |
| Calcium build-up on brand new HVAC? | 10/8/2009 |
| Q: Our new 3.5 ton HVAC system was installed January, 2009. We used the heater from January through ... A: Joan, That seems extreem yes. But, the water that is condensed on the coil that would leave the ... | |
| furnace return air | 10/8/2009 |
| Q: I have a high efficiency furnace and it has the PVC inlet and exhaust directly vented to the ... A: John, That is called make up air. Homes are built so tight now that we must introduce fresh air ... | |
| Heil furnace not providing heat/running properly | 10/7/2009 |
| Q: I have Heil condensing gas furnace, model NTG9075FGA3 (manufactured by International Comfort ... A: Jason, If you didn't remove all the rocks from the pvc flue the pressure switch will not make. ( ... | |
| superheat/subcool | 10/6/2009 |
| Q: I have just entered the a/c trade and I am attending school. We have been going over the ... A: Kaleb, First there is no 30 inches only 29.96 and service gauges are way off. Remember that when ... | |
| superheat/subcool | 10/6/2009 |
| Q: I have just entered the a/c trade and I am attending school. We have been going over the ... A: Kaleb, VERY GOOD....one of the only opposites in physics is heat as there is no opposite, just the ... | |
| superheat/subcool | 10/6/2009 |
| Q: I have just entered the a/c trade and I am attending school. We have been going over the ... A: Kaleb, Very good question. I love to help students of our field. You are correct in your ... | |
| HE Gas furnace | 10/5/2009 |
| Q: We moved into a house that has a high efficiency forced air, natural gas furnace installed. The ... A: James, Good job on the filter. Do yourself a favor and get the cheapest pleated filter made and ... | |
| Heat Pump Not Dehumidifying | 10/5/2009 |
| Q: The following is a summary of questions remaining after 2 "best of phoenix" ac companies, with clean ... A: Lisa, sorry got the last one first. Secret??? Demand them you paid for the job. And it sounds ... | |
| Heat Pump Not Dehumidifying | 10/4/2009 |
| Q: The following is a summary of questions remaining after 2 "best of phoenix" ac companies, with clean ... A: Lisa, A TXV is simply a valve that slides one way to restrict the flow and the other to open the ... | |
| ice build up on outside unit | 10/4/2009 |
| Q: I have a goodman central air anda heat for house in florida. this morning i heard a strange noise on ... A: Pat, Your filter??? It is probably clogged solid, if so change it and turn on the fan. If air ... | |
| Burner cuts out fan stays running | 10/4/2009 |
| Q: Ducane gas furnace with Smart Valve and HSI pilot/sensor...draft inducer fan comes on, ignitor will ... A: Tim, It is not supposed to keep the HSI lit. A volt meter needs to be used on the valve to see ... | |
| what size and type | 10/3/2009 |
| Q: i bought a home in eastern ky. complete remodel. 2 story. 1577 sq. feet each floor. the front of ... A: Will, I can't help you with the power bill either....lol I am not familiar with ky weather. If ... | |
| my heater is no working | 10/2/2009 |
| Q: I have a Philco heating and cooling product model G6RA 072C-12A. The AC is working fine but I can ... A: I am unfamiliar with the type of lighting system that furnace uses, but if it is less than 15 ... | |
| FURNACE NOT STAYING ON | 10/2/2009 |
| Q: I HAVE A CARRIER FURNACE THAT WILL NOT STAY ON. I HAVE CHECKED AND CLEAN WITH SAND PAPER THE FLAME ... A: Here is a link to get an owners manual to help with the fix ... | |
| RHEEM 80 Imperial | 10/1/2009 |
| Q: I have just purchased a house and the HVAC unit is a RHEEM 80 Imperial. It has worked well all ... A: George, It is possible the pilot is plugged, but the majority of the time, that is the way the ... | |
| Smell from furnace | 10/1/2009 |
| Q: I turned my forced air gas furnace on for the first time this year, and there is a strange smell ... A: Erica, Generally the first time you fire off the furnace the heat exchanger is coated with dust and ... | |
| Air conditioning question | 10/1/2009 |
| Q: I am a bally's (gym) instructor and also an amateur at home building. Being a san diego resident i ... A: Leah, You have a couple problems. First you have a mis matched system it should be a 2 ton coil. ... | |
| Residential Heat Pump | 9/30/2009 |
| Q: We are older folks renovating an even older two story home in Maryland. The house in about 2500 ft2. ... A: Leo, Before you make that decision on the radiant heat you should check out these boilers, they ... | |
| Thermostat and auto changeover | 9/30/2009 |
| Q: Have a functioning system in either heat or cool mode, but in auto mode it will only respond to the ... A: Steve, First of all if it is the thermostat don't get a hunter, get a honeywell, only a few ... | |
| Thermostat and auto changeover | 9/29/2009 |
| Q: Have a functioning system in either heat or cool mode, but in auto mode it will only respond to the ... A: Steve, I would call the owner of that company and insist on them making it right with you. Have ... | |
| Rudd Air Conditioner about 6-8 yrs old | 9/29/2009 |
| Q: My air conditioner will not turn on, if I push down on the contact points it runs, as soon as I let ... A: Geoff, It sounds like best case you blew a 3 or 5 amp fuse on the circuit board inside the blower ... | |
| new furnace | 9/29/2009 |
| Q: I live in N/W Indiana and have a 32 year old 100,000 BTU natl. gas furnace made by Rheem that still ... A: Jurgen, If you look your old furnace was 100,000 btu input and probably 70, 000 or so " bonnet " ... | |
| AC compressor | 9/29/2009 |
| Q: My outside unit is 17 years old and the compressor has shorted out. I have a home warranty and it ... A: Charles, It depends on your warranty coverage. I would be amazed if it covers all costs of a ... | |
| Heat Pump in Midwest | 9/29/2009 |
| Q: I've heard a lot of negative things on heat pumps in the mid west. I live in Topeka, KS and am fully ... A: Travis, Whoever is bidding the equipment should supply you with a worksheet that comes up with a ... | |
| outdoor central a/c unit | 9/28/2009 |
| Q: Hello there. Okay...I am renting a mobile home in Alabama. My landlady lives in Virginia, and ... A: Shannon, That radiator thing is called the evaporator coil and if you look at it when the pipe in ... | |
| Trouble with new A/C | 9/28/2009 |
| Q: I got a new airconditioner about a month ago. Since then, it doesn't work the way my previous (22 ... A: Tim, If when you lost power, you went into a brown out, or low power before it dropped out it is ... | |
| AC motor | 9/28/2009 |
| Q: We installed a new 5-ton A/C unit about six years ago. Over the weekend the capacitor blew and it ... A: David, A potential problem in the future?? What the heck does that mean? and that motor only ... | |
| aircon compressor loading | 9/28/2009 |
| Q: Mike , i am involved in a green building information , education and supply operation on the island ... A: You are asking questions that would take a great deal of my engineering skills, much more than I am ... | |
| Rudd Air Conditioner about 6-8 yrs old | 9/27/2009 |
| Q: My air conditioner will not turn on, if I push down on the contact points it runs, as soon as I let ... A: Geoff, I will assume that the wire was outside, that is usually where puppys like to chew them. ... | |
| ac unit in condo | 9/26/2009 |
| Q: I have an intermittent cooling problem - Compressor is on roof and installed in 2001, along with ... A: Lylah, Tell your friend that it is a possibility that the condenser motor is going bad and that it ... | |
| coil matching with heat pumps | 9/26/2009 |
| Q: I have a thermo pride 106,000 btu oil furnace (1 year old). I have the local hvac people installing ... A: Dragan, you need to tell me if the coil matches the outdoor unit tonnage. If it is a 4 ton then ... | |
| ac advice | 9/25/2009 |
| Q: I bought a home with a 4 ton evaporater coil A-SLB484422T+D all style ,this is asplit unit and the ... A: Carol, You only have a 2 1/2 ton compressor with a 4 ton evap coil? Yes you have a problem. Low ... | |
| Rheem Corsair Air Conditioner | 9/24/2009 |
| Q: I have the above ac unit model# FADC-0305AS. It has stopped cooling at its normal capacity and I ... A: Eric, Make sure you have a clean filter and all vents are open. Then after 10 minutes running on ... | |
| Carrier 58MVP -100-F-1-20 | 9/24/2009 |
| Q: install 03.worked thru spring 09.bsmt location.vents thru roof of 2 flr house. lgth and bends ok to ... A: Terry, Are any of these techs(?) writing down and reporting to you any physical data and ... | |
| Heat pump Blower Motor | 9/24/2009 |
| Q: I have a 1750 sq ft ranch home. 3 ton Carrier heat pump. Blower motor died. Local guy charged $979 ... A: Dan, The price you were charged was for a variable speed motor with a motor controller attached to ... | |
| Crawlspace Conditioning | 9/23/2009 |
| Q: I live in southwest Ohio, gratefully enjoy all 4 seasons of the year. I recently bought my first ... A: Kathy, Probably the simple solution for your problem is when the central hvac system is up and ... | |
| 4 ton Trane xl16i isn't doing the job. | 9/22/2009 |
| Q: I’ve been thinking a lot about the AC pad and how the condensers are arranged. I measured the area ... A: If those numbers are accurate, you have 7 degree's of sub cooling and 37 degree's of superheat, ... | |
| blower | 9/22/2009 |
| Q: i have a ruud fuel furnace. not sure what model. it appears to have 2 thermodisc. as it's warming ... A: Dan, Without a little more info it is hard to answer this one. As you look at the furnace, behind ... | |
| ac unit in condo | 9/21/2009 |
| Q: I have an intermittent cooling problem - Compressor is on roof and installed in 2001, along with ... A: Lylah, John Borgman here, got this out of our question pool. It sounds to me like the compressor ... | |
| T-stat mystery | 9/20/2009 |
| Q: I have a central a/c system and the temp stays pretty much even with a 1 or 2 degree differential ... A: Marshall, John borgman here got this out of our question pool. So when you have it set at 78, ... | |
| Residential A/C question | 9/17/2009 |
| Q: I have two identical residential 2ton split A/C units. They are 16 years old, Goodman, and use ... A: Tom, I would have the N.A.T.E certified tech check the other unit since he also added to it, it ... | |
| increasing aircon efficiency | 9/17/2009 |
| Q: Mike , i am involved in a green building information , education and supply operation on the island ... A: Stephen, You are correct about the conduction of water over air, it is 8 times as efficient. As ... | |
| Residential A/C question | 9/17/2009 |
| Q: I have two identical residential 2ton split A/C units. They are 16 years old, Goodman, and use ... A: Tom, I don't know where to start with you, except, holy cow!!!!! You are so over charged you are ... | |
| Blower works for 30 minutes then locks | 9/15/2009 |
| Q: I have a Lennox dual climate AC unit and had issued today with the temperature being warm in the ... A: David, You either have a bad condenser fan motor or more likely a bad run capacitor. When the ... | |
| Freon leak | 9/15/2009 |
| Q: My upstairs HVAC system has a slow leak. It is seven years old and the evap. coil was replaced in ... A: Rene', The freon can leak from anywhere it runs through, but on a unit as new as yours, the first ... | |
| Fixed vs variable speed ac | 9/14/2009 |
| Q: I've been given varying opinions concerning fixed vs variable speed ac units. Seems it's a 50/50 ... A: Mike, Sounds like you are doing your homework, although, I have no clue as to the lightening ... | |
| Trane XL 1200 super efficiency weathertron heat pump | 9/14/2009 |
| Q: About a week ago our outside heat and air unit stopped cooling,and the fan of the unit wouldn't ... A: David, Here is a link as an example. Google trane parts for your area and you can find a dealer ... | |
| a/c leak | 9/13/2009 |
| Q: I took out the filter to clean it. I had turned off the A/C and had it turned off for several hours ... A: Gaby, I assume you removed the filter due to it not working, is that correct? And the filter was ... | |
| Lennox AC unit | 9/11/2009 |
| Q: I had a technician come out to my home today. We bought our home new about 2.5 years ago. Our ... A: JC, I would not trust this man to work on your equipment. First, his statements about the filter ... | |
| hvac...freon leak | 9/11/2009 |
| Q: john, I have an older central a-c unit. it works great, but it has a freon leak. The tech who ... A: Mike, If the leak is that big, the only way to do this is as follows. Fill the now almost empty ... | |
| More on residential AC Dye Test/Leak | 9/9/2009 |
| Q: I had a local HVAC company come to find out why my Amana 2.5T central AC system was not blowing ... A: David, Not a clue as which light because it is the wrong thing to do to a system, so I haven't ... | |
| Low Cost Options to fix compressor | 9/9/2009 |
| Q: I have a 2.5 ton Comfortmaker outside system with a frozen compressor. I asked about if I could ... A: Clark, You have till January to replace the whole unit with another R22. After that compressors, ... | |
| Brand New Condenser Burned Out | 9/9/2009 |
| Q: I really need some help. I bought a new condenser for my house two months ago and it quit running ... A: Cheri, Wow. I don't know what to say tactfully. There is no way that a 3.5 ton condensor should ... | |
| Selecting Thermostat for Heat Pump | 9/8/2009 |
| Q: I am seeking to replace my existing thermostat which isn't digital. I have a Carrier Heat Pump ... A: Mitch, I recommend a t8000 honeywell. It has an adaptive intelligent recovery that controls your ... | |
| Gas Ducted heater lockout | 9/8/2009 |
| Q: My Dad has a "Stadt" brand gas ducted heater. Last night it stopped working so I had a look. The LED ... A: Greg, Howdy from the USA. Although we do not have that brand here, they all have the same ... | |
| 4 ton Trane xl16i isn't doing the job. | 9/8/2009 |
| Q: I’ve been thinking a lot about the AC pad and how the condensers are arranged. I measured the area ... A: I didn't say 20 percent should be recycled, I said that the air discharged is at least 20 degrees ... | |
| Quote for the new HVAC system | 9/8/2009 |
| Q: Good morning John, I am in process of purchasing a new home in Houston, TX and I am in need of the ... A: Ismar, You are correct about the R410a and if you plan on being in your home for 15 years, you ... | |
| 4 ton Trane xl16i isn't doing the job. | 9/8/2009 |
| Q: I’ve been thinking a lot about the AC pad and how the condensers are arranged. I measured the area ... A: A.J., 9 or 10 will also work for the 2 ton. Moving them will help, although the 4 ton is still ... | |
| choosing a gas furnace | 9/8/2009 |
| Q: Any general advice on choosing among Carrier, Lennox, or (much cheaper) Goodman for a ... A: Ted, No Goodman. carrier and lennox are good equipment, personally I put a Trane in my mothers ... | |
| TRANE XL 1200 Humming Noise | 9/7/2009 |
| Q: I have an outdoor unit TRANE XL1200 Super Efficiency Air system. All appears to be operating ... A: Ben, You should check the model of that unit, because there is nothing in a straight condenser ... | |
| Thermostat wiring | 9/7/2009 |
| Q: I am replacing a contour comfort control thermostat with an Ace hardware brand programmable one and ... A: Mark, Rh,Rc jumpered=red G=green W=white Y=yellow O=orange....this is your reversing ... | |
| air duct cleaning | 9/7/2009 |
| Q: I am planning to have my air ducts cleaned and would like to know how to find a company which will ... A: Edward, Your return air should be metal, that is not code and can hold mold in the cardboard. ... | |
| Zone Controller, Low Air flow, and Discharge Temp Sensor | 9/7/2009 |
| Q: I just replaced a 10 year old 5 ton York heat pump and air handler and 2 simple thermostats with the ... A: Walt, I cannot help you. I work full time and volunteer 20 to 30 hours a week on here and do not ... | |
| TRANE XL 1200 Humming Noise | 9/7/2009 |
| Q: I have an outdoor unit TRANE XL1200 Super Efficiency Air system. All appears to be operating ... A: Ben, I am going to assume you have the heat pump model as you did not say. As such, it sounds ... | |
| Limit Switch | 9/6/2009 |
| Q: I had tried to repair the old one which made the condition much better but it still happened a few ... A: Faith, Insist on finding techs that are N.A.T.E certified and this time, if it is not resolved, ... | |
| Zone Controller, Low Air flow, and Discharge Temp Sensor | 9/6/2009 |
| Q: I just replaced a 10 year old 5 ton York heat pump and air handler and 2 simple thermostats with the ... A: Walt, Before we address your questions......Bad move with downsizing a 5 ton condenser, with a 3 ... | |
| Limit Switch | 9/6/2009 |
| Q: I had tried to repair the old one which made the condition much better but it still happened a few ... A: Faith, First lets address the first guy that worked on it. There is no such thing as a pain in ... | |
| Trane XE1000 | 9/6/2009 |
| Q: My unit is 12 yrs old and told the coil needs to be replaced - have had a freon leak for many years. ... A: Christine, Did they show you the leaks? How did they find them? If they only used an electronic ... | |
| Limit Switch | 9/6/2009 |
| Q: I had tried to repair the old one which made the condition much better but it still happened a few ... A: Faith, I remember you, yes. So, this is happening when the heat is not being used? Did the old ... | |
| AC?heat pump operation | 9/5/2009 |
| Q: When I turn my unit onto heat mode all works fine and heat comes out. Then in a little while the ... A: Rich, Your thermostat has 2 stages of heat, the first for heat pump, the second for aux. heat. ... | |
| A/c fan inside will not come on | 9/5/2009 |
| Q: The blower in my squirrel cage quit working properly the other day. I purchased a new switching ... A: Mike, I don't know what you are describing as a switching relay? Is this an electric or gas ... | |
| Trane XE1000 | 9/5/2009 |
| Q: My unit is 12 yrs old and told the coil needs to be replaced - have had a freon leak for many years. ... A: Christine, I assume you are talking about the indoor coil? You should still have 10 to 15 years ... | |
| ac/furnace blower motor | 9/4/2009 |
| Q: ..I have an old luxaire pcsu-ld08n065b serial number ecwmo84759. The blower motor when the ac is ... A: Jason, Almost all blower motors are 1075 rpm. On the side of the motor there is a name plate that ... | |
| 4 ton Trane xl16i isn't doing the job. | 9/4/2009 |
| Q: Question; what are some simply thing I can check to insure my systems are providing peak operating ... A: AJ, The first thing we want to look at is if they are set up correctly as far as the charge and ... | |
| Outside coil went out | 9/4/2009 |
| Q: I have a split system HVAC. My outside coil just went out and I tried the breaker but that didn't ... A: No if the disconnect is a breaker and it and the one in the panel are in the on, not tripped ... | |
| Outside coil went out | 9/4/2009 |
| Q: I have a split system HVAC. My outside coil just went out and I tried the breaker but that didn't ... A: Hey Alex, The outdoor A/C unit is called your condenser. If the indoor blower comes as it should ... | |
| which product | 9/3/2009 |
| Q: We need a new HVAC system put in. Which brand is the best. Trane or Carrier? ANSWER: Jan, I ... A: Jan, Ask him how he knows that, as this new refrigerant has only been in place for a few years. ... | |
| which product | 9/2/2009 |
| Q: We need a new HVAC system put in. Which brand is the best. Trane or Carrier? A: Jan, I prefer Trane it is what I put in my mothers house due to the dependability. Cost a little ... | |
| ac/heat thermostat setting | 9/2/2009 |
| Q: how should a thermostat be set when a two story house has 2 ac/heating units if we want temp to be ... A: The first thing you need to do is change your air filters. If they get too clogged your equipment ... | |
| Air handler-air conditioner | 9/1/2009 |
| Q: I have a five year old rheem blower and a 30 year old compressor that is busted. I assume I would ... A: Al, Your indoor unit is fine, you should get 25 years out of it anyway. The question to ask ... | |
| cracked pan | 9/1/2009 |
| Q: my uncle is an hvac guy - don't know his exact title but he told me I have a cracked pan and we ... A: Kelly, Wow, what a nice comment. I hope it works out for you, if not give me a hollar | |
| my centrail air conditioner does not turn on | 9/1/2009 |
| Q: I have a comfortmaker snyder general central air. the thermostant works but no cool air coming from ... A: Joe, Kinda curious how you decided that the thermostat works. First of all, lets assume it ... | |
| Rheem RGDG Won't Start or Run | 9/1/2009 |
| Q: I have a Rheem RGDG Criterion. I tired to check it out this evening, and noticed corrosion on the ... A: Scott, I don't remember where on that model furnace it is, but there is a ledger that tells what ... | |
| Goodman Gas Pack | 9/1/2009 |
| Q: I have a new Goodman Gas Pack - 14.50 seer. When the compressor kicks on, I hear a vibrating noise ... A: Liz, Ok, so you replaced an old unit or is this a brand new install, duct work and everything? If ... | |
| Old Attic Fan | 8/31/2009 |
| Q: My house was built in 1941 in Springfield, MO. It is a two-story house and on the 2nd floor in the ... A: Linda, You don't see many " whole house " fans anymore, I have only seen one in the last 27 years, ... | |
| Coil Leak--Lennox Elite 12 CB30M | 8/31/2009 |
| Q: I had my a/c company come to the house this morning to do their semi-annual a/c maintenance visit. ... A: Robert, An evaporator coil does not leak under normal wear and tear in 8 years and if it does need ... | |
| Vent location | 8/31/2009 |
| Q: We're about to have some work done in our house and have a chance to relocate our AC exhaust vents ... A: Mike, Yes the "supply" vents should be about 6 inches from the exterior walls and over the largest ... | |
| inside coil | 8/30/2009 |
| Q: I am buying a 6 year old used 4 ton condenser unit made by bryant and I have forced air I will need ... A: Michelle, It depends on what refrigerant it is, what seer rating, if you are going to use a cased ... | |
| single stage vs double stage and... | 8/30/2009 |
| Q: -- 30+ yr old house, thermostat on first floor, occupants like a well cooled and dehumidified second ... A: Tom, There is only one true way to size your equipment. That is with a manual J heat gain/loss ... | |
| Goodman Gas Pack | 8/30/2009 |
| Q: I have a new Goodman Gas Pack - 14.50 seer. When the compressor kicks on, I hear a vibrating noise ... A: Liz, How was it checked before it was installed??? If it is brand new the compressor can just be ... | |
| Gas Furnace Recommendation | 8/30/2009 |
| Q: I have been getting estimates lately to replace a 30 yr old forced air gas furnace in my home and am ... A: Dave, wow lots of questions...smile Unfortunately your contractors haven't done a very complete ... | |
| winterizing the gas furnace | 8/30/2009 |
| Q: John I have a high efficiency lennox elite series gas system,I am needing to know from a technicians ... A: Steve, First of all nice furnace. With the new inshot burners, heat exchangers do not clog as ... | |
| York AC Unit | 8/30/2009 |
| Q: What is your opinion of the York. My AC contractor wants to replace my 20 year old Lenox unit with ... A: Marilynn, To be honest York is not one I would recommend. Hardly any one works on them of carries ... | |
| ac not cooling | 8/30/2009 |
| Q: My ac unit is about 3 months old, but it works very good at night and early morning, and around noon ... A: Yanet, I will assume you are talking about a central air system. Get on the phone and have the ... | |
| air conditioning and t-stat | 8/30/2009 |
| Q: I have a couple questions and I am really hoping you can help solve our dilemma. We purchased a 7 ... A: Beth, It sounds like you could have a few problems. First with the furnace kicking on and off, ... | |
| Fan motor on the outside unit will not run | 8/29/2009 |
| Q: I have a RUUD, Model# UAMB-030JAZ. I looked at the capacitor but it doesn't seem swollen or ... A: Marvin, Since that model has a duel run cap, it is most likely the motor itself or the compressor ... | |
| TXV | 8/29/2009 |
| Q: We called to have it looked at. The first service tech said the coils are plugged with cottonwood ... A: Thomas, Yes, you can fax him the info, although you might delete the word clown, even if it is ... | |
| TXV | 8/29/2009 |
| Q: We called to have it looked at. The first service tech said the coils are plugged with cottonwood ... A: Thomas, I would call the owner of that company and complain. Obviously they do not know what they ... | |
| heat pump | 8/29/2009 |
| Q: I have a package heat pump that one day it can not switch to cool it was working fine then only can ... A: Phillip, Still having trouble with the limited info, sorry. If I am following what you are ... | |
| heat pump | 8/29/2009 |
| Q: I have a package heat pump that one day it can not switch to cool it was working fine then only can ... A: Phillip, Respectfully your question does not make sense. The reversing valve has nothing to do ... | |
| cracked pan | 8/29/2009 |
| Q: my uncle is an hvac guy - don't know his exact title but he told me I have a cracked pan and we ... A: Kelly, Bryant is a carrier product and since you didn't say I assume that you are talking about ... | |
| Rheem rrka-a036 | 8/29/2009 |
| Q: I have a 10 yr old Rheem RRKA-A036jk06X A/C+heat unit on my roof. My problem is that I do not get ... A: Steven, Since you are handy with a volt meter this will make this easier. The high voltage first ... | |
| CFM requirements | 8/29/2009 |
| Q: 2500 sq ft single story, 4 ton A/C required per manual J calc. Currently two 10" round returns, 1 ... A: Bob, this is a great web site for tinkering around with lots of questions in the hvac arena. As you ... | |
| A/C Blower | 8/28/2009 |
| Q: My A/C blower motor has been coming on intermittently. The condensor is not on, nor is there a need ... A: Faith, If you have an older furnace, it might have a fan limit switch that is going out or if you ... | |
| Gas water heater with air return directly behind in unfinsihed upstairs bonus room | 8/28/2009 |
| Q: We recently purchased a David Weekly home, finished in '03. Stair from the 1st to 2nd floor lead to ... A: Karla, I don not know the codes there but it cannot be legal to have a return air intake next to a ... | |
| air conditioning | 8/28/2009 |
| Q: made a room and conected a 6" duct for the main register in the attic got cold air flowing but can't ... A: Manuel, It sounds like you need more cooling yes. But just increasing the duct size might not do ... | |
| single stage vs double stage and... | 8/27/2009 |
| Q: -- 30+ yr old house, thermostat on first floor, occupants like a well cooled and dehumidified second ... A: Tom, In cooling whatever you choose will be on high speed and de humidifiing is part of the ... | |
| Excessive condensation from A Coil | 8/27/2009 |
| Q: I have a split upflow central air unit in one of my rentals that yesterday flooded the utility room. ... A: Bill, First if you do not rinse that coil completely you will rot it out. Second another reason ... | |
| R410a presures | 8/27/2009 |
| Q: I never had air conditioning in my house, so I just had it installed. It's a Trane condenser 3 ton ... A: Paul, You cannot go by just pressures on any system. The new R410a units, due to the different ... | |
| Outdoor unit wires | 8/27/2009 |
| Q: We were weed eating around the outdoor unit and some wires came loose...we don't want to touch ... A: Renae, Going to need more info. First is it just A/C or a heat pump or package unit. Then it ... | |
| Heating a basement | 8/27/2009 |
| Q: I have a 6 year old 2,400 sq ft ranch with a basement with 1,400 sq ft finished. I have ceiling ... A: Dan, First closing vents is not the answer, unless your duct system was over sized ( which I doubt ... | |
| ? no super heat? | 8/27/2009 |
| Q: i installed a 2ton heatpump system by bryant about a year ago. and always got 1-3 superheat. about ... A: Nick, First of all, you charge a R410a system by sub cooling, the characteristics are different ... | |
| Residential AC Drainage | 8/27/2009 |
| Q: I live in a 2-story home built in 1995 with a Lenox AC system. There is some water in the drain pan ... A: Lional, That is a second line of defense and it is only used if there is a problem. Either the ... | |
| Luxaire or American Standard HVAC | 8/27/2009 |
| Q: We are looking to replace our 17 year old HVAC system and have quotes from 2-contractors. One ... A: Joe, The American Standard, hands down. First because of the obvious more efficient A/C which is ... | |
| central air clanging sound | 8/26/2009 |
| Q: When my central air turns off (as in when the temperature reaches the thermostat) it makes a sound ... A: Nichole, For one thing, if your evap coil was that clogged, now you have a lot more air flow and ... | |
| Outside Central air unit ? | 8/26/2009 |
| Q: I have a 10 yrs old Comfortmaker Unit (FBAO36GC) that recently started to make a very loud noise. ... A: Yes, do not use it. There is only one way for this to happen on purpose and that is if you are air ... | |
| payne airconditioner | 8/25/2009 |
| Q: i have a Payne aircondition unit and a totaline thermostat last night the low battery signal came on ... A: Steve, Is it calling for A/C? If so, check the breaker for the outdoor unit. If that's not it, ... | |
| Outside Central air unit ? | 8/25/2009 |
| Q: I have a 10 yrs old Comfortmaker Unit (FBAO36GC) that recently started to make a very loud noise. ... A: Steve, I don't know if you are talking about the fan for the outdoor unit or the fan for the ... | |
| need for 2 circuit board replacements in one month and frozen A coil | 8/25/2009 |
| Q: I have a 2 yr old Amana high efficiency furnace and a/c 3 ton. In June the a/c quit and A/C ... A: Jo, There are two reasons for the A coil to freeze. One is low air flow. ie. dirty filters, vents ... | |
| New A/C not as cool | 8/25/2009 |
| Q: I just replaced a 20 year old Trane A/C with a new XR-15 Trane. The installers also replaced the ... A: Roger, More than likely, they did not evacuate the system properly or charge it correctly. Get ... | |
| leak repair | 8/24/2009 |
| Q: I have a 3.5 ton outside carrier unit and a slightly larger Lenex unit inside. Had a slow leak of ... A: Sam, I wish you had contacted me first. The way a refrigeration system works and lasts is that we ... | |
| furnace blower whistle | 8/24/2009 |
| Q: My gas furnace blower produces a loud whistle when it runs. Usually the whistle fades as the blower ... A: Ken, You are describing the draft inducer motor. It could be bearings or the small blower type ... | |
| AC is barely blowing slightly cooled air | 8/23/2009 |
| Q: We have an Armstrong Ultra SX80 ac/heat system. In the last 3 days, we've had a dramatic 75% air ... A: Debra, Loss of air flow and other problems are from the indoor coil freezing up. It freezes for ... | |
| window AC | 8/23/2009 |
| Q: I have been looking for a 220 Volt 8000 BTU Window AC because using a 110 volt overloads the ... A: Ed, I dont know the available window units, you might check at home depot as a start. The ... | |
| blower cuts out | 8/23/2009 |
| Q: I have a York Diamond 80 res gas furnace. When I set the thermostat to ON the blower will start but ... A: Jamie, You are going to cause more damage than you already have if you do not get a tech out to ... | |
| Replacing Drain Pan | 8/23/2009 |
| Q: We have a small amount of water leaking at the base of our indoor unit(Philco B3BM-036K) in the area ... A: John, Generally the pan does not have to be removed to put a new pan in, unless there is no room ... | |
| Goodman pgb042100-1 | 8/22/2009 |
| Q: Late yesterday afternoon our ac quit working the condensor fan is not turning and the unit is giving ... A: Sandra, That is one that you need a .tech to come do some checking. It could be a board or motor ... | |
| Rheem/condensor fan stops compressor still running | 8/22/2009 |
| Q: Here is my problem(s)I have a 1 1/2 ton Rheem (split system )installed in 99 my fan was stopping and ... A: Robert, There was probably nothing wrong with the other motor. Sounds to me like a bad run ... | |
| 410A Pressure Temprature Chart | 8/22/2009 |
| Q: I have a technical question about 410A and pressure temperature charts and i really need some help. ... A: Yes that is correct, but the 10 to 20 is minimum and maximum of units that are made today. ... | |
| 410A Pressure Temprature Chart | 8/22/2009 |
| Q: I have a technical question about 410A and pressure temperature charts and i really need some help. ... A: Dharmen, That is not the correct method for charging and temperature refrigerant, even under ideal ... | |
| central air unit | 8/22/2009 |
| Q: Ok...during the day today me and the wife noticed it getting hot. I thought the air was turned up so ... A: Ronald, If all you vibrated by hitting the indoor blower motor was the motor, then it either has a ... | |
| Portable Air Conditions for spot cooling | 8/18/2009 |
| Q: I recently purchased a used Sunbeam KY 25Y Portable Air conditioner rated at 9000 BTU. It is three ... A: Sharon, How? The leveling part......You will need a small level and then lay it on all sides of ... | |
| _price@yahoo.com | 8/18/2009 |
| Q: John I have a carrier central air unit , i push in the contactor the fan and compressor kick on ... A: Chris, You work in the field? I love helping other service or installers. Two things....One ... | |
| No air flow when a/c comes on | 8/18/2009 |
| Q: my central air outdoor unit comes on like it should when the thermostat clicks it on but I'm not ... A: Chris, Do you have a volt/ohm meter and know how to use it? If not you are going to have to call ... | |
| New installation of electric furnace and heat pump | 8/17/2009 |
| Q: Asked too many questions. So just one more. You said in your last answer "But, with this new info, I ... A: Connie, You did not supply all that info....smile. So, I assume you mean the large copper pipe ... | |
| A/C unit not cooling | 8/17/2009 |
| Q: .. I have a Sears High Efficiency Central Air Condition, Model #769-81602. The unit is having ... A: Jim, If all the vents in the house are open and you have a clean filter in, let it run for ten ... | |
| Amana problem | 8/17/2009 |
| Q: We have an Amana furnace that is about 7 yrs old and isn’t working. We had our vents cleaned last ... A: Nicole, Unless it is a fluke, I would suspect the duct guy did something unintentionally ( I would ... | |
| No air flow when a/c comes on | 8/17/2009 |
| Q: my central air outdoor unit comes on like it should when the thermostat clicks it on but I'm not ... A: Chris, First thing to try is put it in heat mode and call for heat and see if the blower comes on ... | |
| Newly Installed Electric Furnace and Air Conditioner | 8/17/2009 |
| Q: I live in a 20-year old, 3 story 1300 sq. ft. condo in Cincinnati, OH. (It has a walk-out basement, ... A: Connie, Sorry for the lack of professional help you received. It would not matter how it shorted ... | |
| Newly Installed Electric Furnace and Air Conditioner | 8/17/2009 |
| Q: I live in a 20-year old, 3 story 1300 sq. ft. condo in Cincinnati, OH. (It has a walk-out basement, ... A: Connie, If you had a 20 year old payne, then the duct work must have been ok for it, to last that ... | |
| air conditioner problem | 8/17/2009 |
| Q: my home air conditioner unit only shuts off for 3 minutes at a time, then runs for at least 10 ... A: Jerry, If you have an old mercury bulb tstat, the anticipator might need to be set or it is worn ... | |
| Central Air Conditioner Not Working? | 8/17/2009 |
| Q: Today we noticed that our house was no longer getting cool. We are "total electric." We have an ... A: Carista, The cap could still be bad, even without visual signs, but it sounds like the motor is ... | |
| ac/furnace | 8/16/2009 |
| Q: We have a Luxaire furnace that we believe is original to our 1977 house we bought 3 years ... A: Kim, Yes the blower motor of that age is an oil port motor. The problem with doing it yourself is ... | |
| heat pump and air handler | 8/16/2009 |
| Q: ..we are considering replacing a 31 year old air handler. our american standard 21/2 ton heat pump ... A: Jay, Personally I would replace it due to age, even though it will do the same job as a new one. ... | |
| split system ac unit | 8/16/2009 |
| Q: recently installed new condenser outside,2 1/2 ton,transformer has tripped several times,it also ... A: Chuck, Who the heck is working on your equipment....a roofer. Sounds to me like the old unit ... | |
| placement of heat pump return air vents | 8/16/2009 |
| Q: I have 2 return air vents for my heat pump. One at floor level in the hallway wall and one in the ... A: Robert, That will not make any difference in your bill. It sounds like you have one of two ... | |
| zone cooling | 8/16/2009 |
| Q: Have a Bryant 4 zone perfect plus. It will not respond to inputs. Two zones may be shut out or hold ... A: Randy, Sounds like there are some crossed wires to the zone dampers. Here is the easy way to fix ... | |
| 3 year old tempstar evap coil | 8/10/2009 |
| Q: I purchased and had installed a brand new Tempstar heat pump / AC unit three years ago when I bought ... A: Justin, Yes you are. Any tech should have come, gauged up and started the system. If there is a ... | |
| air handler problem | 8/10/2009 |
| Q: About 3 years ago I had a problem where the outside air compressor was working (and all iced up) but ... A: Paul, You have either and air flow or refrigerant flow problem. All vents open? Clean filter? ... | |
| a-coil selection | 8/10/2009 |
| Q: Is it ever okay or desirable to mis-match the a-coil and the condenser unit? Long story ... A: Chris, The only time to run a larger coil is with a heat pump using the new r410a refrigerant and ... | |
| Miller Outdoor Heat Pump Unit | 8/10/2009 |
| Q: The fan to my outdoor unit will not turn on. You can hear power going to the unit, but nothing is ... A: Jenny, Well if you have a new defrost control board, then it is probably the motor or the run ... | |
| air conditioning/furnance | 8/9/2009 |
| Q: Sometime this afternoon our house started heating up and we found later that while it sounds like ... A: Brian, sounds like your indoor coil is frozen. So, turn off the system switch and turn on the fan ... | |
| t stat question | 8/8/2009 |
| Q: I have a trane heat pump unit. I think it has a 15kw heat strip in it. I have a hunter touchscreen ... A: Travis, The first thing to do is have a tech gauge up and probably adjust your refrigerant level. ... | |
| Fan motor not running | 8/7/2009 |
| Q: I have a 2 1/2 ton Lennox that is making a hissing noise down around the base of the unit and the ... A: John, What was done about the line? The hiss can be one of 3 things. First, a leak, which if it ... | |
| Quietest Attic Air Handler Installation | 8/7/2009 |
| Q: Good Morning, I will be installing a split geothermal system in a ~ 1500 square foot 1928 colonial ... A: John, In theory it sounds nice but air does not move like water. It actually needs the back ... | |
| Furnace door won't stay shut | 8/7/2009 |
| Q: I have a mystery regarding the front panel/cover on my furnace. My furnace (air conditioning) has ... A: Jesse, Your furnace might have these 1/4 square black pieces where the doors come together with a ... | |
| blower motors | 8/6/2009 |
| Q: We recently replaced our blower motor in our gas furnace with one identical to the old one. Here are ... A: Chanda, On the small plate that you remove to get to the wiring is a schematic, that shows what ... | |
| Heat pump package unit | 8/6/2009 |
| Q: We have a 22 yr. old 3 ton Rheem or Rudd heat pump package unit that we're looking to replace. What ... A: Kim, Stay away from the Ammana. You got over 2 decades with the prior equipment, why change that. ... | |
| New AC unit compressor on and off while outside fan running | 8/6/2009 |
| Q: We purchased an AC unit of Kenmore model H4A448GKB100 in Jun 2008 and Sears’s contractors ... A: Sam, As you have found out, it is not the equipment but the installation that is the problem. In ... | |
| Carrier heat pump | 8/6/2009 |
| Q: My a/c unit is not cooling properly. The condenser is running and the fan seems to be running. The ... A: Debora, do this test. Remove the air filter ( just for this test ) have every air vent in your ... | |
| heat pump and air handler | 8/5/2009 |
| Q: ..we have a 5 year old 10seer american standard 2 and 1/2 ton heat pump, that runs good. our air ... A: Jay, Although as of January they will no longer produce equipment using R22, the refrigerant and ... | |
| blinking amber light | 8/5/2009 |
| Q: Concerning an american standard freedom 80 single stage gas furnace...there is an amber blinking ... A: Patty, If you remove the door on the blower compartment( there are two doors, one for the burner ... | |
| AC CONDENSATE | 8/5/2009 |
| Q: Recently I noticed water dripping from the RELECTIX insulation that covers the ducts and coil that ... A: Joe, Whenever a system is zoned, as each zone is satisfied and the damper closes, there is a large ... | |
| heat pump low voltage | 8/4/2009 |
| Q: i have just installed a new goodman 3ton heat pump with matching coil to a intertherm down draft ... A: Scott, TSTAT FURNACE HEAT PUMP R=RED R=RED R=RED C=BLACK ... | |
| Return air grill condensation | 8/4/2009 |
| Q: Recently I have noticed that when I get up in the mornings my return air grill is dripping with ... A: Mick, It is because of humidity and dew point, the temp drops just below it at night because of ... | |
| cooling problem | 8/4/2009 |
| Q: I been having a problem with cooling, I recently graduated from an AC refrigeration school but, I'm ... A: Robert, What is you dry bulb return air temp and what is your liquid temp? I dont know where you ... | |
| evap coil drain | 8/3/2009 |
| Q: John, Finally lit off our split system (Frigidaire) AC unit to temper the summer heat. The unit is ... A: Tim, Yes those things happen. If you fill the drain pan with water with the unit off, you should ... | |
| AC unit Dead | 8/3/2009 |
| Q: 2yr 13 Seer Johnson Fraser(YORK International) AC unit dead.The fan outside will not come on. It is ... A: Katilina, Phone any company that is reputable for the work. It wont be just the compressor, if it ... | |
| AC CONDENSATE | 8/3/2009 |
| Q: Recently I noticed water dripping from the RELECTIX insulation that covers the ducts and coil that ... A: Joe, First you say zones? Do you mean area's? Zoning means that those ducts have dampers that ... | |
| wet spots on exterior stucco | 8/2/2009 |
| Q: I just recently purchased a 7 year old house. I noticed that whenever I run the AC unit, I notice ... A: Rob, If the secondary pipe does not exit the structure it should be finished. I don't know where ... | |
| New AC Unit dead after 2 days - same problem as before. | 8/2/2009 |
| Q: I recently had my entire unit replaced through a home warranty claim. According to the tech, the ... A: Kirk, I can almost promise you are out of or low on freon. Any " tech " that has trouble sealing ... | |
| Water pouring out of furnace | 8/2/2009 |
| Q: We just bought a new house in MD and when we run the AC water flows out from below the furnace. Is ... A: David, There are a couple reasons for the water. One would be a clogged drain from the drain pan, ... | |
| Central Air unit | 8/1/2009 |
| Q: Yesterday I heard water rushing and discovered water coming out of my Central Air Unit (Goodman ... A: Angie, The pan can be purchased by itself. It can also be repaired, depending on where it is ... | |
| Isolating 24v transformers | 8/1/2009 |
| Q: Was just up in your neck of the woods (Portland) this week ...guess you've been busy with the heat ... A: Mike, First of all, yes that is what is called a peanut relay. You had indicated you wanted the ... | |
| Isolating 24v transformers | 8/1/2009 |
| Q: Was just up in your neck of the woods (Portland) this week ...guess you've been busy with the heat ... A: Mike, Yes if the de-humidifier has its own 24 volt system you will need to isolate it. The ... | |
| AC Unit | 8/1/2009 |
| Q: Bought a new house 1 yr ago. Turned on the AC in the house for the first time this summer and it was ... A: Matt, Compressor??? What compressor? In your unit? To be honest 300 sounds too cheap. If you ... | |
| Unico loss of cooling | 8/1/2009 |
| Q: I am in the construction business and ask this question with a little knowledge of things. We have ... A: Dana, I actually guessed that part, kinda. But I am familiar with unico and do not know what to ... | |
| sp80 tampstar | 7/31/2009 |
| Q: the fan doesn't come on went you turn the ac or heat on. i have power A: James, Are you talking about the blower? It is in the furnace and moves the air in the house. If ... | |
| Air conditiner warranty | 7/31/2009 |
| Q: Carrier 2-ton residential ac model 38ckc024340. Installed 4 years ago for use in our small office ... A: Judy, Warranty will not cover new unit. And if you have had an electrical burn it could cost as ... | |
| AC Unit | 7/30/2009 |
| Q: Bought a new house 1 yr ago. Turned on the AC in the house for the first time this summer and it was ... A: Matt, It is very very rare for the outdoor coil to have a leak. I have to assume he came out, ... | |
| LENNOX HP CONDENSER NOT RUNNING | 7/30/2009 |
| Q: i have an 11 year old Lennox heat pump. About a week ago, the blower motor burnt up so we replaced ... A: Cassie, You should check the breaker for the outdoor unit. There also might be slow blow fuses in ... | |
| Clean an A-Coil | 7/30/2009 |
| Q: I know that you can trap the freon in the condensing unit so you can cut the lines and remove the ... A: William, You should be bleeding nitrogen when brazing and I would use silfloss or silbraze, then ... | |
| GOODMAN AC HANDLER BLOWER INOP AT TIMES | 7/30/2009 |
| Q: MR. BORGMAN, I HAVE A 2 STORY HOUSE WITH 2 SEPARATE AC/HEAT SYSTEMS(I BELIEVE THE AC HANDLER #'S ARE ... A: John, If that furnace has a deadman switch ( when you open the blower door it pops out and kills ... | |
| Portable air conditioner shakes and sputters | 7/30/2009 |
| Q: I have a portable sunpentown air conditioner, and it does this new thing I haven't seen before. In ... A: Carrie, Well, there are only a couple moving parts so it has to be either the compressor motor or ... | |
| Installation of Fan Timer Control Board | 7/30/2009 |
| Q: I need to replace the fan timer control board in our Comfortmaker HVAC system. The board is ... A: Sam, No hidden power issues with that. Most boards are a wire for wire change, but some boards ... | |
| Compressor cuts out | 7/30/2009 |
| Q: I have a 10,000 btu window unit that usually cools my entire (small) apartment. When it gets around ... A: Joseph, There is not a lot you can do except to position a mist head on a garden hose and have it ... | |
| new ac | 7/29/2009 |
| Q: I am an ac dummy. My home ac unit just went out-compressor I guess. It was 26 years old and just ... A: Stephanie, Since I do not know if the indoor air handler is a furnace ( electric or gas ) or what ... | |
| AC system keeps breaking down | 7/29/2009 |
| Q: I have a 5 year old home/AC units. The upstairs unit has been breaking down for 1 year. 1.5 years ... A: Stephanie, John borgman here, I got this out of our question pool. If it was a return air vent ... | |
| hvac first floor units | 7/28/2009 |
| Q: i have a 1940's 3300 sqft property which i am renovating in Houston TX and a hvac rep has ... A: Tim, As far as building it in, just make sure that whatever is covering the furnace doors can ... | |
| Clogged AC drip pan | 7/28/2009 |
| Q: Can i fix a clogged drip pan on my AC unit relatively easy or do I need to call a professional? ... A: Sue, it depends on how the coil was installed. If it is a cased coil, with a factory door, and it ... | |
| Filter | 7/27/2009 |
| Q: Our air conditioner has frozen up and I removed the panel to see what things looked like in ... A: Cammy, If there is no filter in the furnace or the return air grill, then your indoor coil and the ... | |
| York Heat Pump, Emergency Heat Light | 7/27/2009 |
| Q: Good Day: Thank you for your time! We have an old (at least 15 year old) York heat pump with a ... A: Brad, you will need a tech to come out. Those Yorks are hard enough for a tech to work on. It ... | |
| heat pump | 7/27/2009 |
| Q: For a long time I would have to turn the thermostat on and off several times for it to come on. I ... A: Tedd, Get a service tech out there before you burn everything up. You cannot let the smoke or the ... | |
| Window Air Conditioner ducting to furance ? | 7/27/2009 |
| Q: I live in Nova Scotia, Canada. I currently have a forced hot air furnace for heating my home. The ... A: Larry, you wouldn't get that much done by that method. You would be better off, just mounting a ... | |
| rewiring 3 terminal capacitor to 2 terminal capc. | 7/27/2009 |
| Q: I replaced the condenserfan motor which comes with 7.5/370v run capacitor that has two terminals ... A: George, The two brown wires are for you run capacitor, which should ALWAYS be replaced when ... | |
| hvac first floor units | 7/27/2009 |
| Q: i have a 1940's 3300 sqft property which i am renovating in Houston TX and a hvac rep has ... A: Tim, If you asking if a upflow furnace in the basement, to service that floor and the main floor ... | |
| INOP Central Air | 7/26/2009 |
| Q: I have a Central air unit that is working but not cooling . the unit outside is on the one in the ... A: Nelson, First you need to check the air filter and for this test, go ahead and remove it from the ... | |
| ac intake (return) | 7/26/2009 |
| Q: We have a 4 ton central ac and are going to have a 5 ton installed (which was determined by a load ... A: Connie, First increasing by a ton is quite a bit. Was this calculated by manual J, room by room ... | |
| Rudd ac unit | 7/26/2009 |
| Q: Honeywell FocusPro 5000 set at 70deg. and inside temp. got up to 84deg. yesterday. Fan outside just ... A: William, Sounds like you are talking about the condenser fan motor and if it is turning slowly it ... | |
| Air Flow to a Bedroom | 7/26/2009 |
| Q: When I had my system installed several years ago, I asked for a little bit of increased air flow to ... A: Brian, Probably the easiest way to do what you want is to blank off the collar coming from the ... | |
| Bryant Air Conditioner Unit Installed 1992 | 7/25/2009 |
| Q: Mr. Borgman, I have a Bryant heating and air conditioner system in my house. It was installed when ... A: Lewis, So was this tech from the same company? I am still not comfortable with the 30 day thing. ... | |
| refiregrant leak | 7/25/2009 |
| Q: I recently found out I had a leak in my system. The system is a year old and I recently had a coil ... A: You didn't tell me it was a R410a system. But the numbers you sent me tell me so. Problem is that ... | |
| ac ceiling vent | 7/25/2009 |
| Q: We are looking at buying a house and the is one annoying little problem I want to be able to fix to ... A: Kate, OK, here is what is up there, when you take the two screws out of the louvered register ... | |
| Air Flow to a Bedroom | 7/24/2009 |
| Q: When I had my system installed several years ago, I asked for a little bit of increased air flow to ... A: I am thinking, that they on purpose ran that run straight from the plenum to give you plenty of air ... | |
| Air Flow to a Bedroom | 7/24/2009 |
| Q: When I had my system installed several years ago, I asked for a little bit of increased air flow to ... A: Brian, Was that where the original run was from? I have never heard of 4" unless it is a high ... | |
| AC won't cool/ Freon Leak/Condensing Coil | 7/24/2009 |
| Q: About 5 days ago, our air conditioner quit cooling the house. We would set it at 76 and the house ... A: Sally, Hi, me again. How did he show you the leaks? If he showed you with an electronic ... | |
| duct cfm | 7/24/2009 |
| Q: I was the one asking about charging a sysyem with refrigerent, and yes I'm in thr field, currently I ... A: Brian, Practically you cannot. There are some pretty heavy mathematical equations for that, but ... | |
| Whole house fan | 7/24/2009 |
| Q: Our whole house fan went out after 18 years so we replaced it with a flow master we purchased from ... A: Mary, I really do not know what the right side means. But if you are having an issue with a Home ... | |
| refiregrant leak | 7/23/2009 |
| Q: I recently found out I had a leak in my system. The system is a year old and I recently had a coil ... A: Vadim, If it holds at 400 psi, then there is not a leak where they are testing. My question would ... | |
| removimg a gas furnace | 7/23/2009 |
| Q: I need to remove a furnace and cap off a gas line in order to have a heat pump/air conditioning unit ... A: Larry, No, you covered everything. Actually you might get a little smell, but you can dump a ... | |
| PAYNE model PA10, have to keep replacing fuse | 7/23/2009 |
| Q: i bought my home in 2003 and had continuous problems with the air conditioning unit since the ... A: Joy, If you are having the same problem as you had with the old unit you had replaced, then the ... | |
| Armstrong electric furnace | 7/23/2009 |
| Q: I recently purchased a house with an Armstrong EFC12SAA electric furnace. There is a whole house ... A: Christopher, If the coil for the humidifier is 24 volts, then you want to wire one side to 24v ... | |
| contactor noise | 7/23/2009 |
| Q: The contactor at the outdoor unit growls momentarily before closing. I have 27 volts coming in to ... A: John, I am trying to teach you proper electrical troubleshooting , so you can do just that. You ... | |
| sizing house | 7/23/2009 |
| Q: I was the one asking about charging a sysyem with refrigerent, and yes I'm in thr field, currently I ... A: Brian, For that, the first thing you need to do is get Manual J, either the book or computer ... | |
| air con stopped working outdoor unit | 7/22/2009 |
| Q: i have a fuji electric rom-19ua2 outdoor unit and it has stopped working , the fan dont turn and ... A: Jim, I am afraid you are going to need a service tech, Jim. The sound could be the overload ... | |
| contactor noise | 7/22/2009 |
| Q: The contactor at the outdoor unit growls momentarily before closing. I have 27 volts coming in to ... A: John, You mean you placed your lead not leads. And had the other lead where? Also is it a NO or ... | |
| air conditioning | 7/22/2009 |
| Q: I have a 3 year old ameristar furnace by american standard and an american standard central air ... A: Shawn, OK, here is what we do next. turn off the power to the furnace either at the breaker or if ... | |
| contactor noise | 7/22/2009 |
| Q: The contactor at the outdoor unit growls momentarily before closing. I have 27 volts coming in to ... A: John, So the low pressure switch on that unit is a normally closed?? You said it does not open ... | |
| Bryant Air Conditioner Unit Installed 1992 | 7/22/2009 |
| Q: Mr. Borgman, I have a Bryant heating and air conditioner system in my house. It was installed when ... A: Lewis, I almost hate getting ones like this......You might want to find a real tech to work on ... | |
| Freon leaking | 7/22/2009 |
| Q: John, I asked a company to do my A/C tune-up today. The tech told me the freon pressure is low and ... A: Yong, The guy is not only very bad at his job, but either does not know what the montreal Protocal ... | |
| Central Air in a Mobile Home | 7/22/2009 |
| Q: I hope this is not a repeat question but i have searched far and wide and can't find an answer that ... A: Matthew, There is supposed to be a " cross over duct " that connects the 2 sides of the mobile ... | |
| Air Conditioning Won't Cool | 7/21/2009 |
| Q: Our house was built in 1998, apparently the builder put smaller units than is recommended. However, ... A: Erin, Yes it should work better. First I think that a cooler supply temp can be obtained, if I ... | |
| HVAC New Home | 7/21/2009 |
| Q: Greetings: We are building a new home, 3 BR 2-1/2 BA, in Kitty Hawk, NC. Approx. 1900 sq. ft. ... A: Denise, With no attic the power exhaust fan is not an option. Sorry if what I said was ... | |
| Freon leaking | 7/21/2009 |
| Q: John, I asked a company to do my A/C tune-up today. The tech told me the freon pressure is low and ... A: Yong, I apologize for the company that has that tech working there, you might want to phone them, ... | |
| Vert or Horz loop | 7/21/2009 |
| Q: John, I appreciate your time. I will try to make this short. Dirt is dug on my property and I have a ... A: Chip, No I know of no reason for not going horizontal and respectfully would take a lot more work ... | |
| TRANE Problem?? | 7/21/2009 |
| Q: We have a 1-2 year old Trane AC and a programmable thermostat. Everything worked great yesterday and ... A: Alicia, Call your local Trane dealer asap, Alicia. That Trane has a 5 year warranty at the very ... | |
| follow-up of your ans. to me of 7-13-09 | 7/21/2009 |
| Q: Would your answer you gave be the same if the heat pump Would your answer be the same as to ease ... A: Mel, The evap. coil has nothing to do with the water source for the outdoor unit, unless you are ... | |
| HVAC New Home | 7/21/2009 |
| Q: Greetings: We are building a new home, 3 BR 2-1/2 BA, in Kitty Hawk, NC. Approx. 1900 sq. ft. ... A: Denise, Well the second guy does not know how zoning works and if you use the first guy hopefully ... | |
| Vert or Horz loop | 7/21/2009 |
| Q: John, I appreciate your time. I will try to make this short. Dirt is dug on my property and I have a ... A: Chip, I guess it is a good thing I am an expert, you gave no clue as to what you building...lol ... | |
| Ac problems | 7/20/2009 |
| Q: My outdoor ac unit stopped running a couple days ago and after doing some research we decided to see ... A: T, You need to put an amp probe on the motor and see if the amp draw climbs along with the fan ... | |
| Ac problems | 7/20/2009 |
| Q: My outdoor ac unit stopped running a couple days ago and after doing some research we decided to see ... A: T, It sounds like you wired it wrong and got two of the leads reversed, although that wouldn't ... | |
| flame sensor location | 7/20/2009 |
| Q: Where is the flame sensor located on a 10 ton gas pac lenox ac unit A: David, John Borgman here, I got this question from our question pool. I am assuming you are a ... | |
| Carrier control board | 7/20/2009 |
| Q: I have the info you ask for on the control board, remember I bough a control board with only one ... A: Robert, The BDP part number is .... CES0110057-02 If you do run across a situation where the ... | |
| home a/c unit on roof | 7/20/2009 |
| Q: fan motor seized, got it replaced. unit then only cooled for about 20 min. was told compressor is ... A: ask your other person what an overload devise is and how it works. It is for emergency only and ... | |
| thermostat | 7/20/2009 |
| Q: i have an Evcon unit about 2 1/2 years old. today my thermostat started blinking the following ... A: Ken, I do not take private questions and I did not know Evcon made a thermostat and I have no idea ... | |
| HVAC sealed combustion return air | 7/20/2009 |
| Q: How close can a cold air return be on a sealed combustion unit? A: Brad, Are you talking about one that gets its combustion air from outside or in the room it is in? ... | |
| water leaking in basement around heater / ac unit | 7/19/2009 |
| Q: Why is water leaking around our propane heater /AC unit?? A: Lynne, It could be a number of things, from a clogged drain line, to a faulty condensate pump, to ... | |
| wiring | 7/19/2009 |
| Q: hi john im not sure weather u can help but its worth a try i can build small windturbines with no ... A: Fred, Are you watching the OPEN? Would love to come visit our mother country someday. There are ... | |
| iced coil | 7/18/2009 |
| Q: Today I discovered that my indoor coil of my central air unit was heavily iced after running for a ... A: Vadim, Ther are 2 things that will cause the indoor ( evaporator ) coil to ice over. Low indoor ... | |
| humidity | 7/18/2009 |
| Q: I noticed a question about cfms and you said that in a humid climate a small amount of cfm would be ... A: gerald, I don't think you read what I wrote correctly, if it was me. I answer hundreds of ... | |
| air conditioner split system | 7/18/2009 |
| Q: I have a Coleman Evcon 3 ton R22 split system unit, this system is 10 years old. It is not cooling ... A: Steve, I would be glad to help you, but you need to give me better measurements. I need the ... | |
| home a/c unit on roof | 7/18/2009 |
| Q: fan motor seized, got it replaced. unit then only cooled for about 20 min. was told compressor is ... A: Mike, 10 years is the cut off to look at a case by case business, but doesn't mean it can not be ... | |
| heat pump gets ice | 7/18/2009 |
| Q: I answer on allexperts in 5 other categories, but am not an expert on HVAC. My heat pump worked fine ... A: Dave, Probably Dave. Low air flow or low refrigerant flow are the 2 reasons for that. With the ... | |
| imbalance of air flow | 7/18/2009 |
| Q: we have a couple vents that are blowing very hard and barely any flow going to the rest of house. I ... A: Robert, You really need a tech there to get that straightened out. Air does not flow like water ... | |
| multimetering | 7/18/2009 |
| Q: first it seems like my t-stat when i change something is turns off and then maybe turn back on, like ... A: Kenny, Your step down transformer gets 120 volts from the grid and supplies 24 volts to the hvac ... | |
| a/c compressor | 7/18/2009 |
| Q: unit o/s 21/2 ton, air handler 3 ton i notice the o/s unit starts without the compressor but ... A: Len, You cannot change the motor, first they all come in the same rpm 1075 and if you reduce the ... | |
| AC return air location | 7/17/2009 |
| Q: I am trying to determine is the building dropped ceiling hot air return vent is in the right ... A: Debbie, Since the A/C was not sized for the heat from a server room, no. You should let the spot ... | |
| AC not removing humidity | 7/17/2009 |
| Q: John, I have a 20 year old Trane AC unit which recently had 3lbs of freon added. After that for ... A: Robert, What does high amps mean? There is a clearly marked rating on the name plate of the ... | |
| thermostat not shutting off AC | 7/17/2009 |
| Q: Two days ago had the outdoor condenser of refrigerated AC moved to roof due to a coolant leak ... A: Jeannine, Why in the world did you move it to the roof...because of a leak?? Never heard of such ... | |
| Tuneup on a AC Unit | 7/17/2009 |
| Q: I bought a house 2 years ago and the ac unit is 8 years old, I am looking at getting a tune up on ... A: Marc, You need to have a tune up and I would be surprised if the contactor is still good, but ... | |
| propane heater | 7/16/2009 |
| Q: My neighbors burner on her heater for her house seems to plug up with some sort of foreign stuff. ... A: Pete, No, propane is usually as clean as natural gas. The burner gets plugged either by a not so ... | |
| AC compressor will not shut off | 7/16/2009 |
| Q: I have a 10 year old, 3 ton, electric AC unit. I had a small leak in the outside unit about a ... A: Krista, It is one of two things. Less likely your low wiring is either not wired correctly at the ... | |
| clicking in our central heating and air | 7/16/2009 |
| Q: I read a questions from someone else that sounded alot like my problem so here goes. Our mobile ... A: Sue, You are going to have to provide me with more info than that. Where is the clicking? What ... | |
| gas heating | 7/16/2009 |
| Q: I have a 24 x 30 garage with 9' ceilings that I want to heat with natural gas. Could you please tell ... A: Robert, Yes and that is assuming you have very little or no insulation everywhere else besides the ... | |
| Wiring new Condensor fan motor. | 7/16/2009 |
| Q: I came across this forum as I was digging through information on replacing the condenser fan motor ... A: Kevin, Do not run it that way you will burn up the motor. You do not have the run cap working and ... | |
| gas heating | 7/15/2009 |
| Q: I have a 24 x 30 garage with 9' ceilings that I want to heat with natural gas. Could you please tell ... A: Robert, It depends on the insulation and if you have a standard opening garage door for the size ... | |
| Wiring new Condensor fan motor. | 7/15/2009 |
| Q: I came across this forum as I was digging through information on replacing the condenser fan motor ... A: Kevin, Actually it is refreshing to get more than " my a/c quit whats wrong...lol" The first ... | |
| hvac air flow | 7/15/2009 |
| Q: 3rd yr in a row my hvac runs all day til evening, then sweats & leaks under coil & sometimes after ... A: Jen, I understand your frustration, believe it or not I feel the same way on calls I go on and ... | |
| hvac air flow | 7/15/2009 |
| Q: 3rd yr in a row my hvac runs all day til evening, then sweats & leaks under coil & sometimes after ... A: Jen, You only gave me a rating of 8 on knowledge? | |
| A/C frozen coil/bad compressor/TXV | 7/14/2009 |
| Q: We have a Trane heat pump, new 3.5 years ago (installed to heat/cool an addition to house). Two ... A: Sybil, First, In an air conditioner, the indoor coil sits in the air stream and liquid refrigerant ... | |
| increasing hvac air flow on existing unit | 7/14/2009 |
| Q: I just purchased a single story home 1700 sq ft with a 5ton unit in the attic and 5ton condensing ... A: Spencer, I need more info to help..1000 cfm return???? I need to know the return air plenum size, ... | |
| Location of return air duct. | 7/14/2009 |
| Q: My house currently has 8 (13.75" x 7.75") return air ducts, 4 each on the first and second floor. My ... A: Cutting a hole in it will not increase its size!!! And if your duct work collapses now, more air ... | |
| Location of return air duct. | 7/14/2009 |
| Q: My house currently has 8 (13.75" x 7.75") return air ducts, 4 each on the first and second floor. My ... A: Kim, First, how did your old equipment do before it failed? Second if you increase the tonnage ... | |
| Trane Air conditioner unit | 7/14/2009 |
| Q: I broughta Trane 2TTX5030A1000AA heating and airconditioner unit from a local company in arkansas. i ... A: I am assuming you might have a duct problem, as, the dripping copper pipe says that the air flow and ... | |
| Bryant central unit-Ruud outside fan | 7/13/2009 |
| Q: Outside fan works but I do not know how to tell if the air is warm enough coming out of it off the ... A: Don, No, it sounds like you are describing a problem with the blower motor. Do Not turn it on ... | |
| HVAC works, inside fan motor will not come on | 7/13/2009 |
| Q: I recently went into the furnace, pulled the covers and changed the filter only. Put the covers back ... A: Steve, The outdoor unit does not blow air inside, it moves refrigerant inside. The motor below ... | |
| Freon Problem? | 7/13/2009 |
| Q: Hey I have a VEXAR Coil unit heating my mobile home. I paid a guy $100 to come out and fill my unit ... A: Chad, I don't have a clue what the guy did I was not there. It is not filled inside the house. ... | |
| Trane Air conditioner unit | 7/13/2009 |
| Q: I broughta Trane 2TTX5030A1000AA heating and airconditioner unit from a local company in arkansas. i ... A: I am sorry to inform you that the tech is lying to you. There is no physical way your equipment ... | |
| Settings for 2 level home? | 7/13/2009 |
| Q: I have a general question about cost control in a 2 level house. I live in Arizona and currently we ... A: Alex, The first thing you should consider is a tstat controlled power attic fan, if you have an ... | |
| Freon Loss | 7/13/2009 |
| Q: I believe that my unit is a heat pump, as it provides my heating and air conditioning. My question ... A: Rick, You need to crawl under your home and secure the cross over duct work, it is flex duct and ... | |
| Freon Loss | 7/13/2009 |
| Q: I believe that my unit is a heat pump, as it provides my heating and air conditioning. My question ... A: Rick, There is no such thing as magic, a phrase from my engineering teacher of old. Why would you ... | |
| rv a/c no leaking water on outside of trailer | 7/13/2009 |
| Q: my rv a/c is not leaking water on the out side of the trailer what could be the problem ANSWER: ... A: There are a lot of things that can cause it to not condense water from the air, including a little ... | |
| Maytag fridge cooling fan issue | 7/12/2009 |
| Q: I have a fridge (Maytag MTB2456gew) that started not working properly, so I tried to troubleshoot. ... A: Mark, FYI, I am just an expert volunteer on here. Looking to build my portfolio for making this ... | |
| Ruud air conditioner/blower issues | 7/12/2009 |
| Q: I have a Ruud model #UGDA-12EA-ER furnace with outside air conditioner unit. I turned the AC on this ... A: Jerry, Pull the front door from the furnace. To the right of the vent pipe there is a brown door ... | |
| refrigerant escaped from a/c. | 7/12/2009 |
| Q: We have separate Command a/c for 1300 sq. ft. condo unit in South Florida, built 1991. Responding to ... A: Mel, Did He show you the leak? A coil leak be it indoor or out, can easily be repaired. I have ... | |
| AC fan stays on when AC is off | 7/12/2009 |
| Q: Replaced an old t-stat recently with a new programmable t-stat (ritetemp model 6025). Initially had ... A: Kevin, http://www.ritetemp-thermostats.com/6025.html Unless there is a program set up for the fan ... | |
| Filter turning black | 7/11/2009 |
| Q: I have an electric heating and cooling system and about a month ago we noticed that our air ... A: Toni, It is not coming from your furnace. It is coming through the duct system. Could be a duct ... | |
| air handler bower motor | 7/11/2009 |
| Q: I recently change my fan control board for my inside AC unit. The original circuit board had a place ... A: Robert, If you get me the product code number off that unit I can get you the part number for the ... | |
| two-stage vs. single-stage A/C | 7/10/2009 |
| Q: We are looking to replace our A/C and furnace. One guy told me that a two-stage A/C is more ... A: Claire, It really depends on your duct system and that is something that the contractors should be ... | |
| Getting heat in summer | 7/9/2009 |
| Q: I have a GE heat pump/ac system at our beach home. When we leave the area I turn off the system at ... A: Rob, It sounds like the outdoor unit is staying on, maybe the contactor is frozen shut. It does ... | |
| Installation of AC/Heat | 7/9/2009 |
| Q: Our heat pump went out last year and we are currently getting bids on a replacement (regular AC/Heat ... A: Jeri, The tax credit is very high for 410a high seer rating. I agree with both carrier and ... | |
| American Standard AC frosting at gasline service valve | 7/9/2009 |
| Q: Model 7A0018-042A. This is a new behavior on a 6 yo system. When the unit starts, the frost appears ... A: Rod, First lets assume that it was charged correctly and no leaks. Change your air filter or pull ... | |
| two-stage vs. single-stage A/C | 7/9/2009 |
| Q: We are looking to replace our A/C and furnace. One guy told me that a two-stage A/C is more ... A: Claire, Go with the Bryant which is a carrier product. The outdoor high seer unit is so quiet you ... | |
| Geothermal HVAC systems and problems | 7/9/2009 |
| Q: I am considering replacing my nineteen year old HVAC system with a geothermal system. Would you ... A: Bob, First downside is there will need to be a back up heat source unless you don't mind waiting a ... | |
| air handler bower motor | 7/9/2009 |
| Q: I recently change my fan control board for my inside AC unit. The original circuit board had a place ... A: Robert, At the very least you need to change to high speed, right now with a dirty filter you will ... | |
| Squeaking noise from AC | 7/9/2009 |
| Q: I have a 5 year old Carrier Central AC. It runs OK, but about 30s after the AC stops, it give out a ... A: That could be done by replacing the external equilizer tube on the metering device, which means a ... | |
| charging system | 7/9/2009 |
| Q: I was the one asking about charging a sysyem with refrigerent, and yes I'm in thr field, currently I ... A: Brian, Cool. The most important thing to do first is pressure test with nitrogen after all joints ... | |
| AC evaporator & filter | 7/9/2009 |
| Q: 2.5 yr old Summit evaporator leaking needs replacement - rest of system is Carrier - Houston, TX ... A: Joseph, They are wrong. Not only have I done many without a problem but they can put wet rags or ... | |
| hvac fan issue follow up | 7/9/2009 |
| Q: the fan starts and stops all of the time. the hvac side the the t-stat is off and the fan is set to ... A: Curt, I missed the comment about the fan switch in the on position....my bad. I might need to ... | |
| FUSE | 7/9/2009 |
| Q: I HAVE A RUUD 96% FURNACE, I JUST IN STALLED IT AND WHEN THE SAFTY SWITCH IS PRESSED THE POWER ... A: Cliff, Unhook the low voltage wires from the board , That come from the transformer. If you still ... | |
| hvac fan issue | 7/9/2009 |
| Q: the fan starts and stops all of the time. the hvac side the the t-stat is off and the fan is set to ... A: Curt, Is this an old furnace? what kind? If you are willing to go through some trouble shooting ... | |
| FUSE | 7/9/2009 |
| Q: I HAVE A RUUD 96% FURNACE, I JUST IN STALLED IT AND WHEN THE SAFTY SWITCH IS PRESSED THE POWER ... A: Cliff, You have a low voltage ground somewhere. Put your meter on ohms scale and with ALL low ... | |
| Fan on AC unit won't start | 7/8/2009 |
| Q: The fan on my AC unit won't start up. The condenser appears to be ok, it makes the typical humming ... A: Jason, You probably need a new run capacitor, it is a duel capacitor and it also runs the ... | |
| Condensor fan | 7/8/2009 |
| Q: I awoke this morning to a warm house of 76 degrees, when my thermostat is set at 68. As i began my ... A: Trey, Hi, spent some time in ft polk I know hot it can be there. Since you heard nothing run, it ... | |
| Room will not cool down below 96 degrees. | 7/8/2009 |
| Q: I live in Texas. My second floor is on a separate A/C unit. I have replaced it twice because it ... A: Lynne, First lets make sure the unit is running correctly or nothing else is even worth looking ... | |
| air handler bower motor | 7/8/2009 |
| Q: I recently change my fan control board for my inside AC unit. The original circuit board had a place ... A: Robert, You need high speed for cooling and a lower speed for heating. Give me model and serial. ... | |
| heating up the cold side of a heat pump | 7/8/2009 |
| Q: My home uses a heat pump. In the winter the outside temp is about +32 f , here in Vancouver B.C. . ... A: John, I suppose if you built a football stadium and heated the air to 100 degrees that would work. ... | |
| Attic verses crawl space. | 7/8/2009 |
| Q: I'm replacing my 15 yr old 4 ton heat pump system. My current system has the air-handler in the ... A: Sorry if I didn't make myself clear Dean, I said to put the one air handler in the space in the ... | |
| Ruud vs Carrier vs Goodman/Amana | 7/7/2009 |
| Q: My 20 year old Rheem 3.5 ton and 3 ton central system are about to stop running. I live in Texas and ... A: Charlie, Carrier is also bryant day&night, and payne, all the same equipment with the same parts. ... | |
| hvac/central air | 7/7/2009 |
| Q: I had a frigedaire furnace with central air unit and honeywell emm-3 minizone panel. I tried to ... A: Howie, Is this something new that has happened or an existing problem? From the small amount of ... | |
| heatpump l/v wiring | 7/7/2009 |
| Q: old t.stat old furnace (electric) set up for heatpump, condensing unit being replaced its a ... A: Norm, I do not get any compensation, I volunteer before and after work. The orange wire should be ... | |
| 2 thermostats, 1 heat pump | 7/7/2009 |
| Q: I'm currently renting a two story townhouse (1500 sq ft); 2 therostats with 1 heat pump. Unit ... A: John, I would hope you have a 2 zone system for those 2 tstats or it will never work right. The ... | |
| AC going on, off,on,off | 7/7/2009 |
| Q: I have an American Standard split system (propane). Condenser outside the rest in the attic. 5 ton ... A: Shawn, If it is contaminated then yes, it must be removed, evacuated properly and recharged. If ( ... | |
| AC going on, off,on,off | 7/7/2009 |
| Q: I have an American Standard split system (propane). Condenser outside the rest in the attic. 5 ton ... A: Shawn, Your unit is cycling on high head pressure trying to protect itself. I am sorry for the ... | |
| Fried contactor wire | 7/7/2009 |
| Q: Good evening Tim, Thanks for taking the time to help me out. I own a Goodman CE 30 !HB residential ... A: Terry, John Borgman here, got your question out of the question pool. It could be both or just a ... | |
| Trane A/C compressor and coil | 7/7/2009 |
| Q: .. My Trane 1.5 ton 11 seer with 2 ton cased coil 14.5 w was put in January of 2005. The coil is ... A: Martha, If they find out it is dog urine, gonna be hard to hide it will not be under warranty , as ... | |
| Air conditioner contracts | 7/7/2009 |
| Q: Trying to help out my elderly father down in Fla. He is asking me about getting a service contract ... A: Matt, A service contract is a preventative maintenance agreement that usually gives a discount for ... | |
| Tech question on pressures | 7/7/2009 |
| Q: I have a quick question. question is: I have a 4 ton Comfort maker air conditioner that I changed ... A: Arric, You need to check for a txv and if you have pressure on the high side and none goes through ... | |
| Central AC Unit Blower will not cycle on and off | 7/6/2009 |
| Q: I have a central AC unit, a Trane 5 ton. I set my thermostat to a specific temperature. The unit ... A: Sean, It is not uncommon for a fan switch to hang up. What I recommend is to pull off the door at ... | |
| FUSE | 7/6/2009 |
| Q: I HAVE A RUUD 96% FURNACE, I JUST IN STALLED IT AND WHEN THE SAFTY SWITCH IS PRESSED THE POWER ... A: Cliff, You have a low voltage ground somewhere. First thing to do if your not real good with a ... | |
| Tech question on pressures | 7/6/2009 |
| Q: I have a quick question. question is: I have a 4 ton Comfort maker air conditioner that I changed ... A: Arric, I doubt it is the compressor, more likely the txv at the indoor coil. To check the txv, ... | |
| new units? | 7/6/2009 |
| Q: John -we live in Phoenix & have 2 Trane heat pump units that are 13 yrs. old w/seer rating of 11/12. ... A: Marcia, You can easily get another decade from your equipment if you have some preventative maint. ... | |
| AC evaporator & filter | 7/6/2009 |
| Q: 2.5 yr old Summit evaporator leaking needs replacement - rest of system is Carrier - Houston, TX ... A: Joseph, Hi, this is John Borgman, got this question out of our question pool. The coil is not ... | |
| Furnace Hums | 7/6/2009 |
| Q: 1984 ICG Gas Furnace. Occasionaly thermostat calls for heat, burner comes on but when motor should ... A: Ray, No need to check the transformer, it supplies 24 volts for the entire system and is always ... | |
| T-stat temp is not met | 7/6/2009 |
| Q: Im a 5 yr. tech with my class 1&2 card, residential and comercial experience. Im helping with a unit ... A: Rene' Sure I would be happy to help a tech any time you have a problem. First when asking me a ... | |
| Humidistat | 7/6/2009 |
| Q: I recently moved into a house that has a carrier humidistat next to the AC control, it looks fairly ... A: Cheril, There will be a unit attached to the side of the furnace like the ones in the picture with ... | |
| Ac Thermostat-Inside House Blowing semi -cool | 7/6/2009 |
| Q: We had a power outage the other day, and we had to reset the S3000 Thermostat for our A/C Unit. Now ... A: Cindy, Actually the A/C unit is on the roof. You probably have an air handler in your ceiling. ... | |
| AC not cooling enough - keeps running | 7/6/2009 |
| Q: I have 11 year old 5 Ton Carrier split-unit, just got 5-lbs Freon added, at least that's what the ... A: Paul, Drive around the back of any Ma and Pa store and see equipment that is 40 to 50 years old ... | |
| heat pump | 7/6/2009 |
| Q: My YORK heat pump cooling system is not working efficiantly. I have it set at 73 degrees inside and ... A: Shawn, First turn the system off and run the fan in the ON position. This will thaw the indoor ... | |
| AC not cooling enough - keeps running | 7/5/2009 |
| Q: I have 11 year old 5 Ton Carrier split-unit, just got 5-lbs Freon added, at least that's what the ... A: Paul, First Paul, if it was that low and had been added to last year they did you a disservice by ... | |
| Ac Thermostat-Inside House Blowing semi -cool | 7/5/2009 |
| Q: We had a power outage the other day, and we had to reset the S3000 Thermostat for our A/C Unit. Now ... A: Cindy, It sounds like your outdoor unit has stopped running, have you looked at it and checked? ... | |
| Daughter's Heat Pump | 7/5/2009 |
| Q: I just wanted to update you on my daughter's heat pump. We stayed with the same company since the ... A: Dorthy, I would like to thank your appreciation, I have just written a letter to the admin. of ... | |
| trouble codes | 7/5/2009 |
| Q: York Diamond 80 model G/UA036A single flashing light= Lockout-check furnace...any help with what ... A: Vince, John Borgman here, got your question from our question pool. That means your equipment has ... | |
| condenser shuts off but can restart | 7/4/2009 |
| Q: Our condenser unit will shut off after a few days. The house fan, [squirrel cage] keeps running. I ... A: Jerry, If it is the high pressure switch then your problem would have gotten worse after adding ... | |
| Armstrong BCZ36B12N00A-3 condensate drain pan leaking | 7/4/2009 |
| Q: My drain pan slope is towards the back of the unit now, and it overflows and leaks into the ground ... A: Chase, It just needs to be shimmed at the back, it is not usually screwed in to anything, it sits ... | |
| AC | 7/4/2009 |
| Q: 2 months ago we had work done to our Goodman AC unit- The first repairman cleaned coils and added ... A: Larry, You should not have had to pay for the first call, as it did not solve anything and how ... | |
| Outside AC Unit stopped running | 7/4/2009 |
| Q: We have Train XR 11 outdoor ac unit (almost 6 years old) that has been working fine until this ... A: Derek, Check your breaker and next there is a fused disconnect on the house next to the outdoor ... | |
| Starter kits | 7/4/2009 |
| Q: My service tech told me the capacitor for my unit is $259.00, I found it on line for $88.00 bucks. ... A: Warren, First you must understand that a business must make money on labor and parts mark up that ... | |
| Furnace Hums | 7/3/2009 |
| Q: 1984 ICG Gas Furnace. Occasionaly thermostat calls for heat, burner comes on but when motor should ... A: Ray, First thing would be to check the amp draw of the motor, it should be about 70 to 80 % of the ... | |
| rheem heat pump, outdoor fan and compressor not start | 7/3/2009 |
| Q: I have a Rheem heat pump. model no is RMPC-024JAZ. when call for heat or cooling, the compressor ... A: Yves, It sounds like you either have a bad run capacitor or you have a power problem. Next to the ... | |
| Heat Pump Air Handler | 7/3/2009 |
| Q: I live in the Phoenix Az area where most homes have a Heat Pump. Original Owner of my home for over ... A: Sorry...furnace means you have either a gas back up or electric, both are called a furnace, the term ... | |
| Heat Pump Air Handler | 7/3/2009 |
| Q: I live in the Phoenix Az area where most homes have a Heat Pump. Original Owner of my home for over ... A: Marty, That's a good one and I can tell you right now it will take some one there with eyes on and ... | |
| Temperature of air out a supply vent | 7/2/2009 |
| Q: What is the temperature at a supply vent for a home a/c? Mine is 58-59 degrees. The temperature at ... A: No, 20 degrees is the rule of thumb, you might have a dirty filter or a few ounces low on charge, I ... | |
| Carrier A/C issues | 7/2/2009 |
| Q: I have a 3.5 ton carrier a/c unit that was installed three years ago. My house was built three ... A: No Jeff, the blower wheel is way heavier and has more static pressure than the fan blade. Did you ... | |
| AC Coil replacement | 7/1/2009 |
| Q: The AC 1st main drain line goes to the main master bath under the sink. The 2nd drain now ... A: The first drain is the rusted drain pan and the color that the water is tells that they are correct. ... | |
| 2nd Opinion | 7/1/2009 |
| Q: Greetings from another Expert at allexperts.com (I'm in the Excel and Geocaching categories)! My ... A: Two sizes copper pipe, it gives with the gauge pressure what we call superheat and sub cooling, ... | |
| Choosing a High Seer Central Air Conditioner | 7/1/2009 |
| Q: John, I live in LA. Have had a contractor determine that i need a 5 ton unit. I know want to ... A: Marlon, Carrier, bryant, day&night, payne are all the same unit and all of their 410a equipment is ... | |
| 2nd Opinion | 7/1/2009 |
| Q: Greetings from another Expert at allexperts.com (I'm in the Excel and Geocaching categories)! My ... A: Nathen, Something does not add up. If you have a 5 ton fan and duct system the evaporator coil ... | |
| air conditioner | 7/1/2009 |
| Q: my breezair evaporater,the motor heats up after working for two hours only why.the other ... A: Mulowoka, All motors heat up, but should never heat to 30degrees c temperature rise above the ... | |
| Ductless A/C | 7/1/2009 |
| Q: John, am in the process of planning our retirement home to be built in the Texas hill country. Am ... A: Ron, How well they work will depend on windows , insulation ect. If you do have a cold spell I ... | |
| Carrier A/C issues | 7/1/2009 |
| Q: I have a 3.5 ton carrier a/c unit that was installed three years ago. My house was built three ... A: Jeff, Yes you have some issues, either the unit is not sized correctly and or your duct system is ... | |
| Condenser in furnace froze and now.. | 7/1/2009 |
| Q: I replaced the filter in my furnace about a week ago. I usually keep the AC in the house around ... A: Gary, that is why it is frozen in your evaporator, the fan isn't running. It will use the black ... | |
| Water Source Heat Pump | 6/30/2009 |
| Q: To qualify my position I have a background in A/C & Refrig. but have been out of that business for ... A: John, First thing you do is reverse the flow in heat mode and that will eliminate the metering ... | |
| Sealing return air vent | 6/30/2009 |
| Q: A neighbor suggested the following tip passed on from an HVAC technician to improve cooling on the ... A: Raf, Tell your neighbor not to do that, unless somehow( and I would bet not ) they over sized the ... | |
| TXV Valve install | 6/29/2009 |
| Q: I have a 3 yr old Trane unit that has been diagnosed with a bad TXV valve. The part cost is covered ... A: Bill, Standard practice is to pump the refrigerant to the other coil , lock it down and re use it. ... | |
| a/c question | 6/29/2009 |
| Q: I have no low voltage to my outside unit.tried the volt test at thermostat from common to red wire ... A: Doug, Next to your furnace is there a condsensate pump, it has the pvc from the coil dumping in ... | |
| What kind of info/testing should be done to determine replacement AC? | 6/29/2009 |
| Q: I live in Kansas, where it's hot and humid in the summer, dry and cold in the winter. My home is ... A: James, Take advantage of the contractors coming to your home, who can see what you have in the way ... | |
| Drip Pan on furnace | 6/29/2009 |
| Q: Where is it located? Can mold be found in it? We have a new Trane AC unit and a Trane 2 stage ... A: Fred, John borgman here, got this question out of the question pool, I think in my hurry I ... | |
| is this system overcharged | 6/28/2009 |
| Q: the outdoor ambient temp is 90 the indoor ambient temp is 74 the suction psi is 61 the line temp at ... A: Then everything is as it should be. Your in a high humidity area and the tstat should be set at the ... | |
| Geothermal HVAC systems and problems | 6/28/2009 |
| Q: I am considering replacing my nineteen year old HVAC system with a geothermal system. Would you ... A: Bob, John Borgman here, got this out of our question pool. Lets start with if you cannot find ... | |
| is this system overcharged | 6/28/2009 |
| Q: the outdoor ambient temp is 90 the indoor ambient temp is 74 the suction psi is 61 the line temp at ... A: Terry, First when asking this question the proper terminology is suction line temp and liquid line ... | |
| AC variations | 6/28/2009 |
| Q: My wife has a problem with the bedroom temperature in the summer. She is complaining that our AC ... A: Alex, The thermostat controlled attic fan will do wonders for the small expense it requires, it ... | |
| A/C | 6/28/2009 |
| Q: I am installing a Goodman 4 ton 16 seer and we are moving it to the back of the house and it will ... A: Frank, Your first step is to have a licenced tech come and pump the refrigerant into the outdoor ... | |
| Problem with leak checks/coils | 6/27/2009 |
| Q: Last summer my air conditioning unit in my house stopped cooling. We have a home warranty, so we ... A: Fred, You should find a company that is not trying to milk insurance money. First of all, neither ... | |
| My HVAC unit sweats | 6/27/2009 |
| Q: My ac sweats when its nice and hot outside which I assume is normal but when I checked it today it ... A: Johnny, Is this a heat pump in the heating mode? I am assuming so, because you cannot see the ... | |
| Air Diffusers for exposed ducts | 6/27/2009 |
| Q: I live in an authentic open concept loft with 11 foot ceilings and 3 large windows along the main ... A: Mariana, Hi, John Borgman here, got this out of our question pool. The main heat gain/loss in ... | |
| can't feel air coming out of ceiling vents | 6/27/2009 |
| Q: we just bought our first home yesterday and realized we can't feel air coming out of the ceiling ... A: Mary, You need to get someone to your home that knows what they are talking about to look at your ... | |
| estimated coet of ac (leak) repair | 6/27/2009 |
| Q: my ac unit in attic is leaking water. i noticed when water begin dripping through ceiling in ... A: John borgman here got this question from our question pool. Whatever the cost it will be less than ... | |
| Trane Air conditioner unit | 6/27/2009 |
| Q: I broughta Trane 2TTX5030A1000AA heating and airconditioner unit from a local company in arkansas. i ... A: Vernita, There really is no lemons in this industry, just poor installation and service work. ... | |
| Coleman ac unit put newfan on outside unit | 6/26/2009 |
| Q: My husband just put a new fan on the outside unit and now the compressor will not kick on. what ... A: Shannon, You are going to need a service call. That does not sound good at all, the compressor ... | |
| a/c fully charged and running but not getting cold | 6/26/2009 |
| Q: I am fully hvac certified I have a unit that is running and the right preasure but the suction ... A: Rev, Give me the following info and I can tell you ( if the evaporator was clogged you would have ... | |
| cooling problem/air in line | 6/26/2009 |
| Q: I live in NC and have an 11 year old Carrier split system for my upstairs. Recently, the system has ... A: Greg, Sounds fishy, if there were non condensibles ( air ) in the lines it would have been fro the ... | |
| heat pump | 6/26/2009 |
| Q: The air conditioner blows hot. During the winter it would work ok but the little return line was ... A: Lyle, John Borgman here, got this from our question pool. The large insulated copper line should ... | |
| hvac replacement | 6/26/2009 |
| Q: We have a Carrier Weathermaker 9200 gas furnace and a 2 1/2 ton airconditioner that were installed ... A: Fran, It really all depends on how well the furnace was maintained, as far as how much life is ... | |
| drip pan for tempstar furnace | 6/26/2009 |
| Q: My Tempstar furnace is leaking around the bottom of the drip pan. What do I need to do? mdl# ... A: Anthony, Usually this is a result of the coil freezing up in the indoor coil and when the ice ... | |
| A/C wont cool | 6/26/2009 |
| Q: Let me preface that I'm an auto tech by profession, so forgive me if my terminology is incorrect. ... A: Dusty, Yes a little mix up.Your low side psig reading is a little low and the way to set the ... | |
| A/C wont cool | 6/26/2009 |
| Q: Let me preface that I'm an auto tech by profession, so forgive me if my terminology is incorrect. ... A: Dusty, You are way low on refrigerant.Your head pressure at that ambient temperature should be in ... | |
| airconditioning problem | 6/26/2009 |
| Q: My thermostat is set at 78 degrees, yet the temperature inside reaches 85 degrees. I change the air ... A: Michael, If your filter is clean and vents are open, go check the large copper insulated pipe that ... | |
| evaporator coil | 6/25/2009 |
| Q: Our AC unit was no longer blowing cold air through the vents in the house, so we called a service ... A: Tiffany, You had to have been without cooling or air flow for a long time for it to have made a ... | |
| new coils or new furnace? | 6/25/2009 |
| Q: We replaced or home condensor 8 years ago. Last spring or pressure was low and was checked again ... A: Lynette, John Borgman here, got this question from our question pool. Yes to can units be ... | |
| Squeaking noise from AC | 6/25/2009 |
| Q: I have a 5 year old Carrier Central AC. It runs OK, but about 30s after the AC stops, it give out a ... A: What??? Tell that tech to go back to school. You are hearing the system equalize its pressures ... | |
| HVAC | 6/25/2009 |
| Q: Coleman hvac,blower inside will come on and go off continuously once set temp is reached. Outside ... A: Bill, Hi John Borgman here got this from the question pool. You have an issue in the furnace. ... | |
| Brand new unit (fan runs all the time) | 6/25/2009 |
| Q: Brand new 4 ton 15 seer pkg Goodman heat pump fans runs constantly. Ex: temp set 75 degrees, ... A: Yes, The fan should cycle off at the end of a call for cooling., unless the fan is set up by ... | |
| a/c has a leak how to find it. | 6/25/2009 |
| Q: i have a 2.5 ton bryant heat pump that loses alot of freon. it holds 8 pounds and i put 6 pounds in ... A: Terry, Since none of the techs that were there adding freon noticed oil dripping everywhere and ... | |
| a/c has a leak how to find it. | 6/25/2009 |
| Q: i have a 2.5 ton bryant heat pump that loses alot of freon. it holds 8 pounds and i put 6 pounds in ... A: Terry, That is an incredible size leak. First of all do not use it any more till you get it ... | |
| Fan/motor not running out outside TRANE unit | 6/25/2009 |
| Q: This is probably a typical problem, but I thought I would ask. The inside fan is running, so power ... A: Julian, You have an upstairs and downstairs with both air handlers running off the same breaker? ... | |
| Furnace Return Make-up Air Questions | 6/25/2009 |
| Q: I am installing a 40K btu 92% nat gas furnace (horizontal mount). I have a concentric vent/supply ... A: Jason, Make up air is fresh air brought in because homes are built so tight now that we breath all ... | |
| Trane AC | 6/25/2009 |
| Q: I have a trane 4ton unit that was made in 2000. Sat I started action up and the compressor wasn't ... A: Jim, I am sorry I really cannot understand what you are asking? I know of nothing that is a prv?? ... | |
| Rheem | 6/24/2009 |
| Q: I am looking at a 3 ton rheem its about 12 years old.It will not take any freon my suction is at 45 ... A: Joe, At 45 psig it should take refrigerant, because your jug should be about 100 psig. You might ... | |
| AC tripping circuit breaker | 6/24/2009 |
| Q: My older AC compressor unit is drawing too much power on start up and tripping the breaker. ... A: Sue, It really shouldn't be able to start a fire, but it can be damaged and need to be replaced, ... | |
| A/C return vents | 6/24/2009 |
| Q: I am replacing my old return vent with a larger one. This is the only one in the home that i know ... A: Matthew, Yes to a.) and the return size of the vent is only critical that it is not fewer square ... | |
| Hot second floor. Need an air return? | 6/24/2009 |
| Q: I have a 100 year old 2 story home. The main floor is adequately cooled, but the second floor is ... A: Steve, One of the things you should consider, regardless of every thing else is a thermostat ... | |
| Stop Smoke in Dual Zone System | 6/24/2009 |
| Q: I have a duplex rental with one HVAC system. Each unit has a thermostat and a return. One tenant ... A: Eric, You can install an activated charcoal filter to control odors. The problem with them is ... | |
| Keeprite central air | 6/24/2009 |
| Q: We are new to owning a house and have never had central air before. So I was wondering how to turn ... A: Crystal. No, Crystal it runs off electricity. The thermostat has a system switch that has a cool ... | |
| Residential Air Conditioning/Furnace | 6/24/2009 |
| Q: After I put on the AC it only runs for about a minute and then shuts off, without bringing the ... A: Tim, turn the "Fan" switch on the thermostat to the ON position by itself and see if the blower ... | |
| plastic drain pan leak | 6/24/2009 |
| Q: we had an A/C company out last week to clear a clogged line. he cleared the line but then told us ... A: Mark, If the tech sealed up the crack there is no reason to replace it. Does the aux. pan have a ... | |
| Air conditioner | 6/24/2009 |
| Q: My air conditioner will not cool below 75 degrees during the hottest part of the day. Please advise ... A: Nodea, I already answered this question, why didn't you check the insulated copper pipe where it ... | |
| Residential A/C Dye Test | 6/24/2009 |
| Q: John - our A/C Company said we are leaking freon and just did a dye test for almost $100. I ... A: Brian, You are asking the wrong person because.....it will get me on my soap box. As a ... | |
| Air conditioner | 6/24/2009 |
| Q: My air conditioner will not cool below 75 degrees during the hottest part of the day. Please advise ... A: Nodea, The way to tell if your A/C is close to being set up correctly is as follows. First make ... | |
| Gibson heat pump not cooling | 6/23/2009 |
| Q: I have two Gibson units for my home, one for upstairs and one down. Both installed in 2003. The ... A: Steve, The click you heard was the contactor pulling in, which is good it is supposed to on a call ... | |
| Gibson heat pump not cooling | 6/23/2009 |
| Q: I have two Gibson units for my home, one for upstairs and one down. Both installed in 2003. The ... A: Stave, Yes another tech that knows his job. at the outdoor unit, there is a large copper pipe ... | |
| cooling temperature control | 6/23/2009 |
| Q: cndMy wife sets the t-stat about 5 degrees higher when we leave in the morning (and we argue about ... A: Bill, I don't like to get in marital disputes....lol An A/C by design is ment to hold temperature ... | |
| Blower always running | 6/23/2009 |
| Q: Alright last winter the heat on my unit wuit working, the blower and the inducing fan always are ... A: Christina, John Borgman here, I got this question from our question pool. Could you provide me ... | |
| HVAC system | 6/23/2009 |
| Q: We installed a new frigidaire hvac unit in 2004. We have had nothing but trouble w/ the temperature ... A: If the outdoor unit is not running and the indoor is, check the tstat. Is the fan switch set to the ... | |
| TXV valve | 6/23/2009 |
| Q: My downstairs air conditioning stopped cooling a week ago. It is a Bryant 5 ton system that is only ... A: Steve, I don't have a cross reference guide to tell if the replacement was correct, but it ... | |
| AC Unit | 6/23/2009 |
| Q: I went outside to check Ac the fan wasn't runining and it was real hot on back of fan motor. The ... A: Charles, Hi John Borgman here got this from our question pool. With the power off to the outdoor ... | |
| HVAC system | 6/23/2009 |
| Q: We installed a new frigidaire hvac unit in 2004. We have had nothing but trouble w/ the temperature ... A: Jennifer, Wow, what a horror story......You have a freon leak, but it is not at the indoor coil ... | |
| Outdoor A/C no longer functioning with new furnace. | 6/23/2009 |
| Q: We recently had our old (Olson Duomatic) mid-efficiency furnace replaced with a Trane Xv95 (model ... A: Renay, Just curious where in Europe are you? Anyway the thermostat will send a signal through the ... | |
| home ac unit | 6/23/2009 |
| Q: i have a heating and cooling guy out here now.had ac installed two years ago and the system looses ... A: Mike, If he took it to 400 psi and it held there is no leak, at least not one that could happen ... | |
| poor airflow in finished attic | 6/23/2009 |
| Q: I have a small home built in the 1940s that has been expanded twice. The original house is about ... A: Dave, The inline blower would create as much resistance as it produces. My biggest question is why ... | |
| Air handler and compressor not turning on | 6/23/2009 |
| Q: I have a spacepack a/c system and a hot water boiler as my HVAC system in my house. I replaced the ... A: Benjamin, When a thermostat has an Rc it also has an Rh. Those two need to be jumped for heat and ... | |
| York Diamond 80 - 9 Flashes | 6/23/2009 |
| Q: I have a York Diamond 80 heating and central air conditioning unit. When I turn it on, it flashes 9 ... A: Donald, John Borgman here got this from our question pool. It means that something has gone to ... | |
| Bryant vs Payne 3 ton 13 SEER heat pump/ac unit | 6/22/2009 |
| Q: Our Bryant 3 ton 13 SEER heat pump/ac unit went out and we had to fight with FirstAM Home Warranty ... A: Linda, Payne, Bryant and Day and Night are all Carrier, they give different names and different ... | |
| price of central air | 6/22/2009 |
| Q: i have a 1976 model 14x70 trailer house. it has cental heat but not air. a family member of mine ... A: Joseph, No, only one per breaker, those are run load amps. When the window unit starts it pulls ... | |
| Which air units to buy | 6/22/2009 |
| Q: John, Help, our air conditioning went out this weekend and we have had 3 people trying to sell 3 ... A: Kim, The Trane would be the $5,700 it is always the most of those three, Payne is the middle of ... | |
| Hard Start Kit for small A/C system | 6/22/2009 |
| Q: I have a small ductless mini split system (Heat Controller, Inc.) that conditions a room over a ... A: Ron, Cost of call was reasonable, as far as the rest, no way to tell without, being there and ... | |
| ac window unit cycles compressor on off | 6/22/2009 |
| Q: we have a small ac window unit that has begun to cycle the compressor on and off every 5 minutes or ... A: Keith, The problem with window units is that since you can get a brand new one at home depot for ... | |
| Intertherm A/C Leaking | 6/22/2009 |
| Q: We have an Intertherm A/C and heat pump in a double wide mobile home. The inside unit is leaking ... A: Claudette, A couple of questions for.....All vents open and not covered? Is your filter clean? ... | |
| residential a/c | 6/22/2009 |
| Q: what should the proper pressures be (high and low side) on a 410A system thanks ANSWER: Woody, ... A: Woody, In looking over your numbers briefly, I need to know if in fact the supplies and the ... | |
| Air Conditioning: Keep basement door shut? | 6/22/2009 |
| Q: We have a carrier system that is about 7 years old installed to cool main floor and walkout ... A: Connie, No, shutting down vents is never a good idea as far as efficiency and longevity of your ... | |
| added misters to AC | 6/21/2009 |
| Q: I ran a 3/8" water line up to my roof mounted AC/Heat pump and installed misters above the intake ... A: Allan, I wouldn't recommend the mister due to the affect it has on the head pressure of your ... | |
| expansion valves | 6/21/2009 |
| Q: what are the steps to change them out A: Robert, All refrigerant must be recovered or pumped to the other side of the service valve from ... | |
| air conditioning | 6/21/2009 |
| Q: How to reduce the static pressure like form 0.35wc to 0.25wc,and is that mean I have problem with my ... A: Sam, The static pressure would increase with fan speed, the filter could be dirty, the duct system ... | |
| Attic heat re-circulation... | 6/21/2009 |
| Q: ..my attic is obscenly hot while my house is too cool. I'd like a solar-powered (12v) duct inline ... A: David, Answer is the same and I have had a couple of people that I spent good amount of time re ... | |
| Adding R-410A | 6/21/2009 |
| Q: I used to charge my home AC system when R-22 was common. I've added R-22 in both liquid and gas ... A: Don, That is a HUGE leak and your service company are very incompetent . I could find that leak ... | |
| ruud central a.c. | 6/21/2009 |
| Q: I have a ruud central a.c. older model maybe 30 years old. About a week ago it started noticing that ... A: Ed, you will take a huge chance on damage if you continue to use the A/C. Could possibly take out ... | |
| ruud central a.c. | 6/21/2009 |
| Q: I have a ruud central a.c. older model maybe 30 years old. About a week ago it started noticing that ... A: Ed, It is physically impossible for the refrigerant to flow into the condenser when the compressor ... | |
| Adding R-410A | 6/21/2009 |
| Q: I used to charge my home AC system when R-22 was common. I've added R-22 in both liquid and gas ... A: Don, The reason for not trying to add 410a on the high side is that, the standing pressure in your ... | |
| residential a/c | 6/20/2009 |
| Q: what should the proper pressures be (high and low side) on a 410A system thanks ANSWER: Woody, ... A: Woody, Are you sure that you are on a 410a system? Something is terribly wrong if you are. The ... | |
| Time to Replace All | 6/20/2009 |
| Q: House is 25 years old and I suspect unit in attic is that old. Coleman blend air system upstairs and ... A: Francis, John Borgman here, got this out of our question pool. If you replaced the duct system ... | |
| white-rodgers digital thermostat | 6/20/2009 |
| Q: the thermostat often shows the temperature as getting warmer as the air conditioner is running. It ... A: Karen, Yes the pipe will drip there more than other area's due to the high humidity. If it is ... | |
| Solder or braze AC outdoor unit repair | 6/20/2009 |
| Q: York central air outdoor unit approx. 2 years old. AC stopped cooling. Repair tech found no R-22 in ... A: Ken, Actually I appreciate the long response, gives me a lot more to go on. oxy/acetylene is the ... | |
| Corroded Coils? | 6/20/2009 |
| Q: I have a Day and Night residential 3 ton unit and the unit is ground-mounted on a cement slab next ... A: Jim, Yes urine can do that....bad dog. But just because the techs electronic detector sounded, ... | |
| Attic heat re-circulation... | 6/20/2009 |
| Q: ..my attic is obscenly hot while my house is too cool. I'd like a solar-powered (12v) duct inline ... A: David, It doesn't work that way, David. Even if you have no insulation under your home, that ... | |
| ac unit won't cool | 6/20/2009 |
| Q: I have turned on my unit, which is 8 years old, and it runs but doesn't cool at all. I assume it ... A: Ken, I will assume you mean that just the A/C is outside and that you have and indoor furnace/air ... | |
| Insulation on Return Air Ductwork | 6/20/2009 |
| Q: Mr. Borgman, I live in northwest Florida. The humidity and heat here are often very high. My home ... A: Shawn, Call your local utility company and ask that question. The reason for this, is, they might ... | |
| white-rodgers digital thermostat | 6/20/2009 |
| Q: the thermostat often shows the temperature as getting warmer as the air conditioner is running. It ... A: Karen, First you shouldn't have any type of devise pulling hot air from the attic. Are you saying ... | |
| Frigedaire central air conditioner | 6/20/2009 |
| Q: what causes the inside panel to fry, and how hard is it to replace? my air conditioner didn't work, ... A: Karen, Got this question from our question pool. A lot of things can cause the " board " to burn ... | |
| central AC noise inside unit | 6/20/2009 |
| Q: While running it sounds like a fan is rubbing under the inside coil. Unit is 2 years old A: Jim, The set screw that holds the blower wheel onto the shaft of the blower motor sometimes is not ... | |
| Solder or braze AC outdoor unit repair | 6/ |